diff --git a/src/components/fill-color-indicator.jsx b/src/components/fill-color-indicator.jsx
new file mode 100644
index 00000000..2cad237a
--- /dev/null
+++ b/src/components/fill-color-indicator.jsx
@@ -0,0 +1,37 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import {defineMessages, injectIntl, intlShape} from 'react-intl';
+import BufferedInputHOC from './forms/buffered-input-hoc.jsx';
+import Label from './forms/label.jsx';
+import Input from './forms/input.jsx';
+
+import styles from './paint-editor.css';
+
+const BufferedInput = BufferedInputHOC(Input);
+const messages = defineMessages({
+    fill: {
+        id: 'paint.paintEditor.fill',
+        description: 'Label for the color picker for the fill color',
+        defaultMessage: 'Fill'
+    }
+});
+const FillColorIndicatorComponent = props => (
+    <div className={styles.inputGroup}>
+        <Label text={props.intl.formatMessage(messages.fill)}>
+            <BufferedInput
+                type="text"
+                value={props.fillColor}
+                onSubmit={props.onChangeFillColor}
+            />
+        </Label>
+    </div>
+);
+
+FillColorIndicatorComponent.propTypes = {
+    fillColor: PropTypes.string.isRequired,
+    intl: intlShape,
+    onChangeFillColor: PropTypes.func.isRequired
+};
+
+export default injectIntl(FillColorIndicatorComponent);
diff --git a/src/components/paint-editor.jsx b/src/components/paint-editor.jsx
index 4b482f5d..0cb83276 100644
--- a/src/components/paint-editor.jsx
+++ b/src/components/paint-editor.jsx
@@ -5,6 +5,8 @@ import BrushMode from '../containers/brush-mode.jsx';
 import EraserMode from '../containers/eraser-mode.jsx';
 import PropTypes from 'prop-types';
 import LineMode from '../containers/line-mode.jsx';
+import FillColorIndicatorComponent from '../containers/fill-color-indicator.jsx';
+import StrokeColorIndicatorComponent from '../containers/stroke-color-indicator.jsx';
 
 import {defineMessages, injectIntl, intlShape} from 'react-intl';
 import BufferedInputHOC from './forms/buffered-input-hoc.jsx';
@@ -19,16 +21,6 @@ const messages = defineMessages({
         id: 'paint.paintEditor.costume',
         description: 'Label for the name of a sound',
         defaultMessage: 'Costume'
-    },
-    fill: {
-        id: 'paint.paintEditor.fill',
-        description: 'Label for the color picker for the fill color',
-        defaultMessage: 'Fill'
-    },
-    outline: {
-        id: 'paint.paintEditor.outline',
-        description: 'Label for the color picker for the outline color',
-        defaultMessage: 'Outline'
     }
 });
 
@@ -52,7 +44,6 @@ class PaintEditorComponent extends React.Component {
                     <div className={styles.inputGroup}>
                         <Label text={this.props.intl.formatMessage(messages.costume)}>
                             <BufferedInput
-                                tabIndex="1"
                                 type="text"
                                 value="meow"
                             />
@@ -106,26 +97,10 @@ class PaintEditorComponent extends React.Component {
 
                 {/* Second Row */}
                 <div className={styles.row}>
-                    {/* To be fill */}
-                    <div className={styles.inputGroup}>
-                        <Label text={this.props.intl.formatMessage(messages.fill)}>
-                            <BufferedInput
-                                tabIndex="1"
-                                type="text"
-                                value="meow"
-                            />
-                        </Label>
-                    </div>
-                    {/* To be stroke */}
-                    <div className={styles.inputGroup}>
-                        <Label text={this.props.intl.formatMessage(messages.outline)}>
-                            <BufferedInput
-                                tabIndex="1"
-                                type="text"
-                                value="meow"
-                            />
-                        </Label>
-                    </div>
+                    {/* fill */}
+                    <FillColorIndicatorComponent />
+                    {/* stroke */}
+                    <StrokeColorIndicatorComponent />
 
                     <div className={styles.inputGroup}>
                         Mode tools
diff --git a/src/components/stroke-color-indicator.jsx b/src/components/stroke-color-indicator.jsx
new file mode 100644
index 00000000..71531314
--- /dev/null
+++ b/src/components/stroke-color-indicator.jsx
@@ -0,0 +1,37 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+
+import {defineMessages, injectIntl, intlShape} from 'react-intl';
+import BufferedInputHOC from './forms/buffered-input-hoc.jsx';
+import Label from './forms/label.jsx';
+import Input from './forms/input.jsx';
+
+import styles from './paint-editor.css';
+
+const BufferedInput = BufferedInputHOC(Input);
+const messages = defineMessages({
+    stroke: {
+        id: 'paint.paintEditor.stroke',
+        description: 'Label for the color picker for the outline color',
+        defaultMessage: 'Outline'
+    }
+});
+const StrokeColorIndicatorComponent = props => (
+    <div className={styles.inputGroup}>
+        <Label text={props.intl.formatMessage(messages.stroke)}>
+            <BufferedInput
+                type="text"
+                value={props.strokeColor}
+                onSubmit={props.onChangeStrokeColor}
+            />
+        </Label>
+    </div>
+);
+
+StrokeColorIndicatorComponent.propTypes = {
+    intl: intlShape,
+    onChangeStrokeColor: PropTypes.func.isRequired,
+    strokeColor: PropTypes.string.isRequired
+};
+
+export default injectIntl(StrokeColorIndicatorComponent);
diff --git a/src/containers/blob/blob.js b/src/containers/blob/blob.js
index 22f4cda5..30bbdc95 100644
--- a/src/containers/blob/blob.js
+++ b/src/containers/blob/blob.js
@@ -39,6 +39,9 @@ class Blobbiness {
      * @param {!number} options.brushSize Width of blob marking made by mouse
      * @param {!boolean} options.isEraser Whether the stroke should be treated as an erase path. If false,
      *     the stroke is an additive path.
+     * @param {?string} options.fillColor Color of the brush stroke.
+     * @param {?string} options.strokeColor Color of the brush outline.
+     * @param {?number} options.strokeWidth Width of the brush outline.
      */
     setOptions (options) {
         this.options = options;
@@ -51,6 +54,9 @@ class Blobbiness {
      * @param {!number} options.brushSize Width of blob marking made by mouse
      * @param {!boolean} options.isEraser Whether the stroke should be treated as an erase path. If false,
      *     the stroke is an additive path.
+     * @param {?string} options.fillColor Color of the brush stroke.
+     * @param {?string} options.strokeColor Color of the brush outline.
+     * @param {?number} options.strokeWidth Width of the brush outline.
      */
     activateTool (options) {
         this.tool = new paper.Tool();
@@ -61,7 +67,7 @@ class Blobbiness {
         const blob = this;
         this.tool.onMouseMove = function (event) {
             blob.resizeCursorIfNeeded(event.point);
-            styleCursorPreview(blob.cursorPreview, blob.options.isEraser);
+            styleCursorPreview(blob.cursorPreview, blob.options);
             blob.cursorPreview.bringToFront();
             blob.cursorPreview.position = event.point;
         };
@@ -141,7 +147,10 @@ class Blobbiness {
             this.cursorPreviewLastPoint = point;
         }
 
-        if (this.cursorPreview && this.brushSize === this.options.brushSize) {
+        if (this.cursorPreview &&
+                this.brushSize === this.options.brushSize &&
+                this.fillColor === this.options.fillColor &&
+                this.strokeColor === this.options.strokeColor) {
             return;
         }
         const newPreview = new paper.Path.Circle({
@@ -149,13 +158,13 @@ class Blobbiness {
             radius: this.options.brushSize / 2
         });
         if (this.cursorPreview) {
-            this.cursorPreview.segments = newPreview.segments;
-            newPreview.remove();
-        } else {
-            this.cursorPreview = newPreview;
-            styleCursorPreview(this.cursorPreview, this.options.isEraser);
+            this.cursorPreview.remove();
         }
         this.brushSize = this.options.brushSize;
+        this.fillColor = this.options.fillColor;
+        this.strokeColor = this.options.strokeColor;
+        this.cursorPreview = newPreview;
+        styleCursorPreview(this.cursorPreview, this.options);
     }
 
     mergeBrush (lastPath) {
diff --git a/src/containers/blob/broad-brush-helper.js b/src/containers/blob/broad-brush-helper.js
index c9cfee25..87af4f43 100644
--- a/src/containers/blob/broad-brush-helper.js
+++ b/src/containers/blob/broad-brush-helper.js
@@ -25,7 +25,7 @@ class BroadBrushHelper {
         if (event.event.button > 0) return; // only first mouse button
         
         this.finalPath = new paper.Path();
-        stylePath(this.finalPath, options.isEraser);
+        stylePath(this.finalPath, options);
         this.finalPath.add(event.point);
         this.lastPoint = this.secondLastPoint = event.point;
     }
@@ -77,7 +77,7 @@ class BroadBrushHelper {
                 center: event.point,
                 radius: options.brushSize / 2
             });
-            stylePath(this.finalPath, options.isEraser);
+            stylePath(this.finalPath, options);
         } else {
             const step = (event.point.subtract(this.lastPoint)).normalize(options.brushSize / 2);
             step.angle += 90;
diff --git a/src/containers/blob/segment-brush-helper.js b/src/containers/blob/segment-brush-helper.js
index c745b9d8..6ccd48ce 100644
--- a/src/containers/blob/segment-brush-helper.js
+++ b/src/containers/blob/segment-brush-helper.js
@@ -32,7 +32,7 @@ class SegmentBrushHelper {
             radius: options.brushSize / 2
         });
         this.finalPath = this.firstCircle;
-        stylePath(this.finalPath, options.isEraser);
+        stylePath(this.finalPath, options);
         this.lastPoint = event.point;
     }
     
@@ -46,9 +46,7 @@ class SegmentBrushHelper {
 
         const path = new paper.Path();
         
-        // TODO: Add back brush styling
-        // path = pg.stylebar.applyActiveToolbarStyle(path);
-        path.fillColor = 'black';
+        stylePath(path, options);
 
         // Add handles to round the end caps
         path.add(new paper.Segment(this.lastPoint.subtract(step), handleVec.multiply(-1), handleVec));
diff --git a/src/containers/blob/style-path.js b/src/containers/blob/style-path.js
index e4380869..658d2f77 100644
--- a/src/containers/blob/style-path.js
+++ b/src/containers/blob/style-path.js
@@ -1,24 +1,22 @@
-const stylePath = function (path, isEraser) {
-    if (isEraser) {
+const stylePath = function (path, options) {
+    if (options.isEraser) {
         path.fillColor = 'white';
     } else {
         // TODO: Add back brush styling. Keep a separate active toolbar style for brush vs pen.
         // path = pg.stylebar.applyActiveToolbarStyle(path);
-        path.fillColor = 'black';
+        path.fillColor = options.fillColor;
     }
 };
 
-const styleCursorPreview = function (path, isEraser) {
-    if (isEraser) {
+const styleCursorPreview = function (path, options) {
+    if (options.isEraser) {
         path.fillColor = 'white';
         path.strokeColor = 'cornflowerblue';
         path.strokeWidth = 1;
     } else {
         // TODO: Add back brush styling. Keep a separate active toolbar style for brush vs pen.
         // path = pg.stylebar.applyActiveToolbarStyle(path);
-        path.fillColor = 'black';
-        path.strokeColor = 'cornflowerblue';
-        path.strokeWidth = 1;
+        path.fillColor = options.fillColor;
     }
 };
 
diff --git a/src/containers/brush-mode.jsx b/src/containers/brush-mode.jsx
index c89e08f9..5ff4e8fb 100644
--- a/src/containers/brush-mode.jsx
+++ b/src/containers/brush-mode.jsx
@@ -29,7 +29,11 @@ class BrushMode extends React.Component {
         } else if (!nextProps.isBrushModeActive && this.props.isBrushModeActive) {
             this.deactivateTool();
         } else if (nextProps.isBrushModeActive && this.props.isBrushModeActive) {
-            this.blob.setOptions({isEraser: false, ...nextProps.brushModeState});
+            this.blob.setOptions({
+                isEraser: false,
+                ...nextProps.colorState,
+                ...nextProps.brushModeState
+            });
         }
     }
     shouldComponentUpdate () {
@@ -42,7 +46,11 @@ class BrushMode extends React.Component {
 
         // TODO: This is temporary until a component that provides the brush size is hooked up
         this.props.canvas.addEventListener('mousewheel', this.onScroll);
-        this.blob.activateTool({isEraser: false, ...this.props.brushModeState});
+        this.blob.activateTool({
+            isEraser: false,
+            ...this.props.colorState,
+            ...this.props.brushModeState
+        });
     }
     deactivateTool () {
         this.props.canvas.removeEventListener('mousewheel', this.onScroll);
@@ -69,6 +77,10 @@ BrushMode.propTypes = {
     }),
     canvas: PropTypes.instanceOf(Element).isRequired,
     changeBrushSize: PropTypes.func.isRequired,
+    colorState: PropTypes.shape({
+        fillColor: PropTypes.string.isRequired,
+        strokeColor: PropTypes.string.isRequired
+    }).isRequired,
     handleMouseDown: PropTypes.func.isRequired,
     isBrushModeActive: PropTypes.bool.isRequired,
     onUpdateSvg: PropTypes.func.isRequired
@@ -76,6 +88,7 @@ BrushMode.propTypes = {
 
 const mapStateToProps = state => ({
     brushModeState: state.scratchPaint.brushMode,
+    colorState: state.scratchPaint.color,
     isBrushModeActive: state.scratchPaint.mode === Modes.BRUSH
 });
 const mapDispatchToProps = dispatch => ({
diff --git a/src/containers/eraser-mode.jsx b/src/containers/eraser-mode.jsx
index 0972ed36..62d5b4fe 100644
--- a/src/containers/eraser-mode.jsx
+++ b/src/containers/eraser-mode.jsx
@@ -29,7 +29,10 @@ class EraserMode extends React.Component {
         } else if (!nextProps.isEraserModeActive && this.props.isEraserModeActive) {
             this.deactivateTool();
         } else if (nextProps.isEraserModeActive && this.props.isEraserModeActive) {
-            this.blob.setOptions({isEraser: true, ...nextProps.eraserModeState});
+            this.blob.setOptions({
+                isEraser: true,
+                ...nextProps.eraserModeState
+            });
         }
     }
     shouldComponentUpdate () {
diff --git a/src/containers/fill-color-indicator.jsx b/src/containers/fill-color-indicator.jsx
new file mode 100644
index 00000000..494be917
--- /dev/null
+++ b/src/containers/fill-color-indicator.jsx
@@ -0,0 +1,17 @@
+import {connect} from 'react-redux';
+import {changeFillColor} from '../reducers/fill-color';
+import FillColorIndicatorComponent from '../components/fill-color-indicator.jsx';
+
+const mapStateToProps = state => ({
+    fillColor: state.scratchPaint.color.fillColor
+});
+const mapDispatchToProps = dispatch => ({
+    onChangeFillColor: fillColor => {
+        dispatch(changeFillColor(fillColor));
+    }
+});
+
+export default connect(
+    mapStateToProps,
+    mapDispatchToProps
+)(FillColorIndicatorComponent);
diff --git a/src/containers/line-mode.jsx b/src/containers/line-mode.jsx
index 7648c045..fe2f0163 100644
--- a/src/containers/line-mode.jsx
+++ b/src/containers/line-mode.jsx
@@ -100,9 +100,8 @@ class LineMode extends React.Component {
         if (!this.path) {
             this.path = new paper.Path();
             
-            // TODO add back style
-            // this.path = pg.stylebar.applyActiveToolbarStyle(path);
-            this.path.setStrokeColor('black');
+            // TODO add back stroke width styling
+            this.path.setStrokeColor(this.props.colorState.strokeColor);
             this.path.setStrokeWidth(this.props.lineModeState.lineWidth);
 
             this.path.setSelected(true);
@@ -277,6 +276,10 @@ class LineMode extends React.Component {
 LineMode.propTypes = {
     canvas: PropTypes.instanceOf(Element).isRequired,
     changeLineWidth: PropTypes.func.isRequired,
+    colorState: PropTypes.shape({
+        fillColor: PropTypes.string.isRequired,
+        strokeColor: PropTypes.string.isRequired
+    }).isRequired,
     handleMouseDown: PropTypes.func.isRequired,
     isLineModeActive: PropTypes.bool.isRequired,
     lineModeState: PropTypes.shape({
@@ -286,6 +289,7 @@ LineMode.propTypes = {
 };
 
 const mapStateToProps = state => ({
+    colorState: state.scratchPaint.color,
     lineModeState: state.scratchPaint.lineMode,
     isLineModeActive: state.scratchPaint.mode === Modes.LINE
 });
diff --git a/src/containers/stroke-color-indicator.jsx b/src/containers/stroke-color-indicator.jsx
new file mode 100644
index 00000000..add989bf
--- /dev/null
+++ b/src/containers/stroke-color-indicator.jsx
@@ -0,0 +1,17 @@
+import {connect} from 'react-redux';
+import {changeStrokeColor} from '../reducers/stroke-color';
+import StrokeColorIndicatorComponent from '../components/stroke-color-indicator.jsx';
+
+const mapStateToProps = state => ({
+    strokeColor: state.scratchPaint.color.strokeColor
+});
+const mapDispatchToProps = dispatch => ({
+    onChangeStrokeColor: strokeColor => {
+        dispatch(changeStrokeColor(strokeColor));
+    }
+});
+
+export default connect(
+    mapStateToProps,
+    mapDispatchToProps
+)(StrokeColorIndicatorComponent);
diff --git a/src/reducers/color.js b/src/reducers/color.js
new file mode 100644
index 00000000..62bba3a1
--- /dev/null
+++ b/src/reducers/color.js
@@ -0,0 +1,8 @@
+import {combineReducers} from 'redux';
+import fillColorReducer from './fill-color';
+import strokeColorReducer from './stroke-color';
+
+export default combineReducers({
+    fillColor: fillColorReducer,
+    strokeColor: strokeColorReducer
+});
diff --git a/src/reducers/fill-color.js b/src/reducers/fill-color.js
new file mode 100644
index 00000000..74bf4d6c
--- /dev/null
+++ b/src/reducers/fill-color.js
@@ -0,0 +1,33 @@
+import log from '../log/log';
+
+const CHANGE_FILL_COLOR = 'scratch-paint/fill-color/CHANGE_FILL_COLOR';
+const initialState = '#000';
+// Matches hex colors
+const regExp = /^#([0-9a-f]{3}){1,2}$/i;
+
+const reducer = function (state, action) {
+    if (typeof state === 'undefined') state = initialState;
+    switch (action.type) {
+    case CHANGE_FILL_COLOR:
+        if (!regExp.test(action.fillColor)) {
+            log.warn(`Invalid hex color code: ${action.fillColor}`);
+            return state;
+        }
+        return action.fillColor;
+    default:
+        return state;
+    }
+};
+
+// Action creators ==================================
+const changeFillColor = function (fillColor) {
+    return {
+        type: CHANGE_FILL_COLOR,
+        fillColor: fillColor
+    };
+};
+
+export {
+    reducer as default,
+    changeFillColor
+};
diff --git a/src/reducers/scratch-paint-reducer.js b/src/reducers/scratch-paint-reducer.js
index 4f06e1bd..613bcfdb 100644
--- a/src/reducers/scratch-paint-reducer.js
+++ b/src/reducers/scratch-paint-reducer.js
@@ -3,10 +3,12 @@ import modeReducer from './modes';
 import brushModeReducer from './brush-mode';
 import eraserModeReducer from './eraser-mode';
 import lineModeReducer from './line-mode';
+import colorReducer from './color';
 
 export default combineReducers({
     mode: modeReducer,
     brushMode: brushModeReducer,
     eraserMode: eraserModeReducer,
-    lineMode: lineModeReducer
+    lineMode: lineModeReducer,
+    color: colorReducer
 });
diff --git a/src/reducers/stroke-color.js b/src/reducers/stroke-color.js
new file mode 100644
index 00000000..15efc21e
--- /dev/null
+++ b/src/reducers/stroke-color.js
@@ -0,0 +1,33 @@
+import log from '../log/log';
+
+const CHANGE_STROKE_COLOR = 'scratch-paint/stroke-color/CHANGE_STROKE_COLOR';
+const initialState = '#000';
+// Matches hex colors
+const regExp = /^#([0-9a-f]{3}){1,2}$/i;
+
+const reducer = function (state, action) {
+    if (typeof state === 'undefined') state = initialState;
+    switch (action.type) {
+    case CHANGE_STROKE_COLOR:
+        if (!regExp.test(action.strokeColor)) {
+            log.warn(`Invalid hex color code: ${action.fillColor}`);
+            return state;
+        }
+        return action.strokeColor;
+    default:
+        return state;
+    }
+};
+
+// Action creators ==================================
+const changeStrokeColor = function (strokeColor) {
+    return {
+        type: CHANGE_STROKE_COLOR,
+        strokeColor: strokeColor
+    };
+};
+
+export {
+    reducer as default,
+    changeStrokeColor
+};
diff --git a/test/unit/fill-color-reducer.test.js b/test/unit/fill-color-reducer.test.js
new file mode 100644
index 00000000..dddd9008
--- /dev/null
+++ b/test/unit/fill-color-reducer.test.js
@@ -0,0 +1,48 @@
+/* eslint-env jest */
+import fillColorReducer from '../../src/reducers/fill-color';
+import {changeFillColor} from '../../src/reducers/fill-color';
+
+test('initialState', () => {
+    let defaultState;
+
+    expect(fillColorReducer(defaultState /* state */, {type: 'anything'} /* action */)).toBeDefined();
+});
+
+test('changeFillColor', () => {
+    let defaultState;
+
+    // 3 value hex code
+    let newFillColor = '#fff';
+    expect(fillColorReducer(defaultState /* state */, changeFillColor(newFillColor) /* action */))
+        .toEqual(newFillColor);
+    expect(fillColorReducer('#010' /* state */, changeFillColor(newFillColor) /* action */))
+        .toEqual(newFillColor);
+
+    // 6 value hex code
+    newFillColor = '#facade';
+    expect(fillColorReducer(defaultState /* state */, changeFillColor(newFillColor) /* action */))
+        .toEqual(newFillColor);
+    expect(fillColorReducer('#010' /* state */, changeFillColor(newFillColor) /* action */))
+        .toEqual(newFillColor);
+});
+
+test('invalidChangeFillColor', () => {
+    const origState = '#fff';
+
+    expect(fillColorReducer(origState /* state */, changeFillColor() /* action */))
+        .toBe(origState);
+    expect(fillColorReducer(origState /* state */, changeFillColor('#') /* action */))
+        .toBe(origState);
+    expect(fillColorReducer(origState /* state */, changeFillColor('#1') /* action */))
+        .toBe(origState);
+    expect(fillColorReducer(origState /* state */, changeFillColor('#12') /* action */))
+        .toBe(origState);
+    expect(fillColorReducer(origState /* state */, changeFillColor('#1234') /* action */))
+        .toBe(origState);
+    expect(fillColorReducer(origState /* state */, changeFillColor('#12345') /* action */))
+        .toBe(origState);
+    expect(fillColorReducer(origState /* state */, changeFillColor('#1234567') /* action */))
+        .toBe(origState);
+    expect(fillColorReducer(origState /* state */, changeFillColor('invalid argument') /* action */))
+        .toBe(origState);
+});
diff --git a/test/unit/stroke-color-reducer.test.js b/test/unit/stroke-color-reducer.test.js
new file mode 100644
index 00000000..7f812299
--- /dev/null
+++ b/test/unit/stroke-color-reducer.test.js
@@ -0,0 +1,48 @@
+/* eslint-env jest */
+import strokeColorReducer from '../../src/reducers/stroke-color';
+import {changeStrokeColor} from '../../src/reducers/stroke-color';
+
+test('initialState', () => {
+    let defaultState;
+
+    expect(strokeColorReducer(defaultState /* state */, {type: 'anything'} /* action */)).toBeDefined();
+});
+
+test('changeStrokeColor', () => {
+    let defaultState;
+
+    // 3 value hex code
+    let newStrokeColor = '#fff';
+    expect(strokeColorReducer(defaultState /* state */, changeStrokeColor(newStrokeColor) /* action */))
+        .toEqual(newStrokeColor);
+    expect(strokeColorReducer('#010' /* state */, changeStrokeColor(newStrokeColor) /* action */))
+        .toEqual(newStrokeColor);
+
+    // 6 value hex code
+    newStrokeColor = '#facade';
+    expect(strokeColorReducer(defaultState /* state */, changeStrokeColor(newStrokeColor) /* action */))
+        .toEqual(newStrokeColor);
+    expect(strokeColorReducer('#010' /* state */, changeStrokeColor(newStrokeColor) /* action */))
+        .toEqual(newStrokeColor);
+});
+
+test('invalidChangeStrokeColor', () => {
+    const origState = '#fff';
+
+    expect(strokeColorReducer(origState /* state */, changeStrokeColor() /* action */))
+        .toBe(origState);
+    expect(strokeColorReducer(origState /* state */, changeStrokeColor('#') /* action */))
+        .toBe(origState);
+    expect(strokeColorReducer(origState /* state */, changeStrokeColor('#1') /* action */))
+        .toBe(origState);
+    expect(strokeColorReducer(origState /* state */, changeStrokeColor('#12') /* action */))
+        .toBe(origState);
+    expect(strokeColorReducer(origState /* state */, changeStrokeColor('#1234') /* action */))
+        .toBe(origState);
+    expect(strokeColorReducer(origState /* state */, changeStrokeColor('#12345') /* action */))
+        .toBe(origState);
+    expect(strokeColorReducer(origState /* state */, changeStrokeColor('#1234567') /* action */))
+        .toBe(origState);
+    expect(strokeColorReducer(origState /* state */, changeStrokeColor('invalid argument') /* action */))
+        .toBe(origState);
+});