diff --git a/browser/components/ColorPicker.js b/browser/components/ColorPicker.js
new file mode 100644
index 00000000..f68aa8ec
--- /dev/null
+++ b/browser/components/ColorPicker.js
@@ -0,0 +1,63 @@
+import React from 'react'
+import PropTypes from 'prop-types'
+import { SketchPicker } from 'react-color'
+import CSSModules from 'browser/lib/CSSModules'
+import styles from './ColorPicker.styl'
+
+const componentHeight = 333
+
+class ColorPicker extends React.Component {
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      color: this.props.color || '#888888'
+    }
+
+    this.onColorChange = this.onColorChange.bind(this)
+    this.handleConfirm = this.handleConfirm.bind(this)
+  }
+
+  onColorChange (color) {
+    this.setState({
+      color
+    })
+  }
+
+  handleConfirm () {
+    this.props.onConfirm(this.state.color)
+  }
+
+  render () {
+    const { onReset, onCancel, targetRect } = this.props
+    const { color } = this.state
+
+    const clientHeight = document.body.clientHeight
+    const alignX = targetRect.right + 4
+    let alignY = targetRect.top
+    if (targetRect.top + componentHeight > clientHeight) {
+      alignY = targetRect.bottom - componentHeight
+    }
+
+    return (
+      <div styleName='colorPicker' style={{top: `${alignY}px`, left: `${alignX}px`}}>
+        <SketchPicker color={color} onChange={this.onColorChange} />
+        <div styleName='footer'>
+          <button styleName='btn-reset' onClick={onReset}>Reset</button>
+          <button styleName='btn-cancel' onClick={onCancel}>Cancel</button>
+          <button styleName='btn-confirm' onClick={this.handleConfirm}>Confirm</button>
+        </div>
+      </div>
+    )
+  }
+}
+
+ColorPicker.propTypes = {
+  color: PropTypes.string,
+  targetRect: PropTypes.object,
+  onConfirm: PropTypes.func.isRequired,
+  onCancel: PropTypes.func.isRequired,
+  onReset: PropTypes.func.isRequired
+}
+
+export default CSSModules(ColorPicker, styles)
diff --git a/browser/components/ColorPicker.styl b/browser/components/ColorPicker.styl
new file mode 100644
index 00000000..4c5a269c
--- /dev/null
+++ b/browser/components/ColorPicker.styl
@@ -0,0 +1,25 @@
+.colorPicker
+  position fixed
+  z-index 10000
+  display flex
+  flex-direction column
+.footer
+  display flex
+  justify-content center
+  align-items center
+  padding 5px
+  & > button + button
+    margin-left 10px
+
+.btn-cancel,
+.btn-confirm,
+.btn-reset
+  height 1.6em
+  border 1px solid #888888
+  background-color #fff
+  font-size 16px
+  border-radius 4px
+.btn-confirm
+  background-color $ui-button-default--active-backgroundColor
+
+
diff --git a/browser/components/NoteItem.js b/browser/components/NoteItem.js
index 2fc70a39..cd97527c 100644
--- a/browser/components/NoteItem.js
+++ b/browser/components/NoteItem.js
@@ -15,8 +15,8 @@ import i18n from 'browser/lib/i18n'
  * @param {string} tagName
  * @return {React.Component}
  */
-const TagElement = ({ tagName }) => (
-  <span styleName='item-bottom-tagList-item' key={tagName}>
+const TagElement = ({ tagName, color }) => (
+  <span styleName='item-bottom-tagList-item' key={tagName} style={{backgroundColor: color}}>
     #{tagName}
   </span>
 )
@@ -27,7 +27,7 @@ const TagElement = ({ tagName }) => (
  * @param {boolean} showTagsAlphabetically
  * @return {React.Component}
  */
-const TagElementList = (tags, showTagsAlphabetically) => {
+const TagElementList = (tags, showTagsAlphabetically, tagConfig) => {
   if (!isArray(tags)) {
     return []
   }
@@ -35,7 +35,7 @@ const TagElementList = (tags, showTagsAlphabetically) => {
   if (showTagsAlphabetically) {
     return _.sortBy(tags).map(tag => TagElement({ tagName: tag }))
   } else {
-    return tags.map(tag => TagElement({ tagName: tag }))
+    return tags.map(tag => TagElement({ tagName: tag, color: tagConfig[tag] }))
   }
 }
 
@@ -59,7 +59,8 @@ const NoteItem = ({
   storageName,
   folderName,
   viewType,
-  showTagsAlphabetically
+  showTagsAlphabetically,
+  tagConfig
 }) => (
   <div
     styleName={isActive ? 'item--active' : 'item'}
@@ -97,7 +98,7 @@ const NoteItem = ({
       <div styleName='item-bottom'>
         <div styleName='item-bottom-tagList'>
           {note.tags.length > 0
-            ? TagElementList(note.tags, showTagsAlphabetically)
+            ? TagElementList(note.tags, showTagsAlphabetically, tagConfig)
             : <span
               style={{ fontStyle: 'italic', opacity: 0.5 }}
               styleName='item-bottom-tagList-empty'
@@ -127,6 +128,7 @@ const NoteItem = ({
 NoteItem.propTypes = {
   isActive: PropTypes.bool.isRequired,
   dateDisplay: PropTypes.string.isRequired,
+  tagConfig: PropTypes.object,
   note: PropTypes.shape({
     storage: PropTypes.string.isRequired,
     key: PropTypes.string.isRequired,
diff --git a/browser/components/TagListItem.js b/browser/components/TagListItem.js
index eec8ab14..64a74d63 100644
--- a/browser/components/TagListItem.js
+++ b/browser/components/TagListItem.js
@@ -12,9 +12,10 @@ import CSSModules from 'browser/lib/CSSModules'
 * @param {Function} handleClickNarrowToTag
 * @param {bool} isActive
 * @param {bool} isRelated
+* @param {string} bgColor tab backgroundColor
 */
 
-const TagListItem = ({name, handleClickTagListItem, handleClickNarrowToTag, handleContextMenu, isActive, isRelated, count}) => (
+const TagListItem = ({name, handleClickTagListItem, handleClickNarrowToTag, handleContextMenu, isActive, isRelated, count, color}) => (
   <div styleName='tagList-itemContainer' onContextMenu={e => handleContextMenu(e, name)}>
     {isRelated
       ? <button styleName={isActive ? 'tagList-itemNarrow-active' : 'tagList-itemNarrow'} onClick={() => handleClickNarrowToTag(name)}>
@@ -23,7 +24,7 @@ const TagListItem = ({name, handleClickTagListItem, handleClickNarrowToTag, hand
       : <div styleName={isActive ? 'tagList-itemNarrow-active' : 'tagList-itemNarrow'} />
     }
     <button styleName={isActive ? 'tagList-item-active' : 'tagList-item'} onClick={() => handleClickTagListItem(name)}>
-      <span styleName='tagList-item-name'>
+      <span styleName='tagList-item-name' style={{color}}>
         {`# ${name}`}
         <span styleName='tagList-item-count'>{count !== 0 ? count : ''}</span>
       </span>
@@ -33,7 +34,8 @@ const TagListItem = ({name, handleClickTagListItem, handleClickNarrowToTag, hand
 
 TagListItem.propTypes = {
   name: PropTypes.string.isRequired,
-  handleClickTagListItem: PropTypes.func.isRequired
+  handleClickTagListItem: PropTypes.func.isRequired,
+  color: PropTypes.string
 }
 
 export default CSSModules(TagListItem, styles)
diff --git a/browser/main/Detail/MarkdownNoteDetail.js b/browser/main/Detail/MarkdownNoteDetail.js
index bc6cd499..024f6424 100755
--- a/browser/main/Detail/MarkdownNoteDetail.js
+++ b/browser/main/Detail/MarkdownNoteDetail.js
@@ -437,6 +437,7 @@ class MarkdownNoteDetail extends React.Component {
           showTagsAlphabetically={config.ui.showTagsAlphabetically}
           data={data}
           onChange={this.handleUpdateTag.bind(this)}
+          tagConfig={config.tag}
         />
         <TodoListPercentage onClearCheckboxClick={(e) => this.handleClearTodo(e)} percentageOfTodo={getTodoPercentageOfCompleted(note.content)} />
       </div>
diff --git a/browser/main/Detail/SnippetNoteDetail.js b/browser/main/Detail/SnippetNoteDetail.js
index d8b5798d..96ea0941 100644
--- a/browser/main/Detail/SnippetNoteDetail.js
+++ b/browser/main/Detail/SnippetNoteDetail.js
@@ -788,6 +788,7 @@ class SnippetNoteDetail extends React.Component {
           showTagsAlphabetically={config.ui.showTagsAlphabetically}
           data={data}
           onChange={(e) => this.handleChange(e)}
+          tagConfig={config.tag}
         />
       </div>
       <div styleName='info-right'>
diff --git a/browser/main/Detail/TagSelect.js b/browser/main/Detail/TagSelect.js
index 6ced475b..d4411af9 100644
--- a/browser/main/Detail/TagSelect.js
+++ b/browser/main/Detail/TagSelect.js
@@ -179,13 +179,14 @@ class TagSelect extends React.Component {
   }
 
   render () {
-    const { value, className, showTagsAlphabetically } = this.props
+    const { value, className, showTagsAlphabetically, tagConfig } = this.props
 
     const tagList = _.isArray(value)
       ? (showTagsAlphabetically ? _.sortBy(value) : value).map((tag) => {
         return (
           <span styleName='tag'
             key={tag}
+            style={{backgroundColor: tagConfig[tag]}}
           >
             <span styleName='tag-label' onClick={(e) => this.handleTagLabelClick(tag)}>#{tag}</span>
             <button styleName='tag-removeButton'
@@ -240,7 +241,8 @@ TagSelect.contextTypes = {
 TagSelect.propTypes = {
   className: PropTypes.string,
   value: PropTypes.arrayOf(PropTypes.string),
-  onChange: PropTypes.func
+  onChange: PropTypes.func,
+  tagConfig: PropTypes.object
 }
 
 export default CSSModules(TagSelect, styles)
diff --git a/browser/main/NoteList/index.js b/browser/main/NoteList/index.js
index dbc9cfd3..8131c0e2 100644
--- a/browser/main/NoteList/index.js
+++ b/browser/main/NoteList/index.js
@@ -1047,6 +1047,7 @@ class NoteList extends React.Component {
               storageName={this.getNoteStorage(note).name}
               viewType={viewType}
               showTagsAlphabetically={config.ui.showTagsAlphabetically}
+              tagConfig={config.tag}
             />
           )
         }
diff --git a/browser/main/SideNav/index.js b/browser/main/SideNav/index.js
index b98d859d..d53568e0 100644
--- a/browser/main/SideNav/index.js
+++ b/browser/main/SideNav/index.js
@@ -20,6 +20,7 @@ import i18n from 'browser/lib/i18n'
 import context from 'browser/lib/context'
 import { remote } from 'electron'
 import { confirmDeleteNote } from 'browser/lib/confirmDeleteNote'
+import ColorPicker from 'browser/components/ColorPicker'
 
 function matchActiveTags (tags, activeTags) {
   return _.every(activeTags, v => tags.indexOf(v) >= 0)
@@ -27,6 +28,22 @@ function matchActiveTags (tags, activeTags) {
 
 class SideNav extends React.Component {
   // TODO: should not use electron stuff v0.7
+  constructor (props) {
+    super(props)
+
+    this.state = {
+      colorPickerState: {
+        show: false,
+        color: null,
+        tagName: null,
+        targetRect: null
+      }
+    }
+
+    this.dismissColorPicker = this.dismissColorPicker.bind(this)
+    this.handleColorPickerConfirm = this.handleColorPickerConfirm.bind(this)
+    this.handleColorPickerReset = this.handleColorPickerReset.bind(this)
+  }
 
   componentDidMount () {
     EventEmitter.on('side:preferences', this.handleMenuButtonClick)
@@ -104,9 +121,63 @@ class SideNav extends React.Component {
       click: this.deleteTag.bind(this, tag)
     })
 
+    menu.push({
+      label: i18n.__('Customize Color'),
+      click: this.displayColorPicker.bind(this, tag, e.target.getBoundingClientRect())
+    })
+
     context.popup(menu)
   }
 
+  dismissColorPicker () {
+    this.setState({
+      colorPickerState: {
+        show: false
+      }
+    })
+  }
+
+  displayColorPicker (tagName, rect) {
+    const { config } = this.props
+    this.setState({
+      colorPickerState: {
+        show: true,
+        color: config.tag && config.tag[tagName],
+        tagName,
+        targetRect: rect
+      }
+    })
+  }
+
+  handleColorPickerConfirm (color) {
+    const { dispatch, config: {tag} } = this.props
+    const { colorPickerState: { tagName } } = this.state
+    const tagConfig = Object.assign({}, tag, {[tagName]: color.hex})
+
+    const config = {tag: tagConfig}
+    ConfigManager.set(config)
+    dispatch({
+      type: 'SET_CONFIG',
+      config
+    })
+    this.dismissColorPicker()
+  }
+
+  handleColorPickerReset () {
+    const { dispatch, config: {tag} } = this.props
+    const { colorPickerState: { tagName } } = this.state
+    const tagConfig = Object.assign({}, tag)
+    delete tagConfig[tagName]
+
+    const config = {tag: tagConfig}
+    ConfigManager.set(config)
+    dispatch({
+      type: 'SET_CONFIG',
+      config
+    })
+    this.dismissColorPicker()
+  }
+
   handleToggleButtonClick (e) {
     const { dispatch, config } = this.props
 
@@ -241,6 +312,7 @@ class SideNav extends React.Component {
             isRelated={tag.related}
             key={tag.name}
             count={tag.size}
+            color={config.tag[tag.name]}
           />
         )
       })
@@ -333,6 +405,7 @@ class SideNav extends React.Component {
 
   render () {
     const { data, location, config, dispatch } = this.props
+    const { colorPickerState } = this.state
 
     const isFolded = config.isSideNavFolded
 
@@ -349,6 +422,20 @@ class SideNav extends React.Component {
         useDragHandle
       />
     })
+
+    let colorPicker
+    if (colorPickerState.show) {
+      colorPicker = (
+        <ColorPicker
+          color={colorPickerState.color}
+          targetRect={colorPickerState.targetRect}
+          onConfirm={this.handleColorPickerConfirm}
+          onCancel={this.dismissColorPicker}
+          onReset={this.handleColorPickerReset}
+        />
+      )
+    }
+
     const style = {}
     if (!isFolded) style.width = this.props.width
     const isTagActive = location.pathname.match(/tag/)
@@ -368,6 +455,7 @@ class SideNav extends React.Component {
           </div>
         </div>
         {this.SideNavComponent(isFolded, storageList)}
+        {colorPicker}
       </div>
     )
   }
diff --git a/browser/main/lib/ConfigManager.js b/browser/main/lib/ConfigManager.js
index 81165777..c70978f7 100644
--- a/browser/main/lib/ConfigManager.js
+++ b/browser/main/lib/ConfigManager.js
@@ -86,7 +86,8 @@ export const DEFAULT_CONFIG = {
     token: '',
     username: '',
     password: ''
-  }
+  },
+  tag: {}
 }
 
 function validate (config) {
diff --git a/package.json b/package.json
index f12360a0..9b0c1d31 100644
--- a/package.json
+++ b/package.json
@@ -97,6 +97,7 @@
     "react": "^15.5.4",
     "react-autosuggest": "^9.4.0",
     "react-codemirror": "^0.3.0",
+    "react-color": "^2.17.0",
     "react-debounce-render": "^4.0.1",
     "react-dom": "^15.0.2",
     "react-image-carousel": "^2.0.18",
diff --git a/tests/components/TagListItem.snapshot.test.js b/tests/components/TagListItem.snapshot.test.js
index 8bea2ccb..637844e6 100644
--- a/tests/components/TagListItem.snapshot.test.js
+++ b/tests/components/TagListItem.snapshot.test.js
@@ -3,7 +3,7 @@ import renderer from 'react-test-renderer'
 import TagListItem from 'browser/components/TagListItem'
 
 it('TagListItem renders correctly', () => {
-  const tagListItem = renderer.create(<TagListItem name='Test' handleClickTagListItem={jest.fn()} />)
+  const tagListItem = renderer.create(<TagListItem name='Test' handleClickTagListItem={jest.fn()} color='#000' />)
 
   expect(tagListItem.toJSON()).toMatchSnapshot()
 })
diff --git a/tests/components/__snapshots__/TagListItem.snapshot.test.js.snap b/tests/components/__snapshots__/TagListItem.snapshot.test.js.snap
index ad883222..d6939ec2 100644
--- a/tests/components/__snapshots__/TagListItem.snapshot.test.js.snap
+++ b/tests/components/__snapshots__/TagListItem.snapshot.test.js.snap
@@ -14,6 +14,11 @@ exports[`TagListItem renders correctly 1`] = `
   >
     <span
       className="tagList-item-name"
+      style={
+        Object {
+          "color": "#000",
+        }
+      }
     >
       # Test
       <span