diff --git a/ui/src/shared/components/ColorDropdown.js b/ui/src/shared/components/ColorDropdown.js
deleted file mode 100644
index 48d648410..000000000
--- a/ui/src/shared/components/ColorDropdown.js
+++ /dev/null
@@ -1,110 +0,0 @@
-import React, {Component} from 'react'
-import PropTypes from 'prop-types'
-
-import classnames from 'classnames'
-import OnClickOutside from 'shared/components/OnClickOutside'
-import FancyScrollbar from 'shared/components/FancyScrollbar'
-import {ErrorHandling} from 'src/shared/decorators/errors'
-
-@ErrorHandling
-class ColorDropdown extends Component {
-  constructor(props) {
-    super(props)
-
-    this.state = {
-      visible: false,
-    }
-  }
-
-  handleToggleMenu = () => {
-    const {disabled} = this.props
-
-    if (disabled) {
-      return
-    }
-    this.setState({visible: !this.state.visible})
-  }
-
-  handleClickOutside = () => {
-    this.setState({visible: false})
-  }
-
-  handleColorClick = color => () => {
-    this.props.onChoose(color)
-    this.setState({visible: false})
-  }
-
-  render() {
-    const {visible} = this.state
-    const {colors, selected, disabled, stretchToFit} = this.props
-
-    const dropdownClassNames = classnames('color-dropdown', {
-      open: visible,
-      'color-dropdown--stretch': stretchToFit,
-    })
-    const toggleClassNames = classnames(
-      'btn btn-sm btn-default color-dropdown--toggle',
-      {active: visible, 'color-dropdown__disabled': disabled}
-    )
-
-    return (
-      <div className={dropdownClassNames}>
-        <div
-          className={toggleClassNames}
-          onClick={this.handleToggleMenu}
-          disabled={disabled}
-        >
-          <div
-            className="color-dropdown--swatch"
-            style={{backgroundColor: selected.hex}}
-          />
-          <div className="color-dropdown--name">{selected.name}</div>
-          <span className="caret" />
-        </div>
-        {visible ? (
-          <div className="color-dropdown--menu">
-            <FancyScrollbar autoHide={false} autoHeight={true}>
-              {colors.map((color, i) => (
-                <div
-                  className={
-                    color.name === selected.name
-                      ? 'color-dropdown--item active'
-                      : 'color-dropdown--item'
-                  }
-                  key={i}
-                  onClick={this.handleColorClick(color)}
-                >
-                  <span
-                    className="color-dropdown--swatch"
-                    style={{backgroundColor: color.hex}}
-                  />
-                  <span className="color-dropdown--name">{color.name}</span>
-                </div>
-              ))}
-            </FancyScrollbar>
-          </div>
-        ) : null}
-      </div>
-    )
-  }
-}
-
-const {arrayOf, bool, func, shape, string} = PropTypes
-
-ColorDropdown.propTypes = {
-  selected: shape({
-    hex: string.isRequired,
-    name: string.isRequired,
-  }).isRequired,
-  onChoose: func.isRequired,
-  colors: arrayOf(
-    shape({
-      hex: string.isRequired,
-      name: string.isRequired,
-    }).isRequired
-  ).isRequired,
-  stretchToFit: bool,
-  disabled: bool,
-}
-
-export default OnClickOutside(ColorDropdown)
diff --git a/ui/src/shared/components/ColorDropdown.tsx b/ui/src/shared/components/ColorDropdown.tsx
new file mode 100644
index 000000000..7fd97e901
--- /dev/null
+++ b/ui/src/shared/components/ColorDropdown.tsx
@@ -0,0 +1,125 @@
+import React, {Component} from 'react'
+
+import classnames from 'classnames'
+import {ClickOutside} from 'src/shared/components/ClickOutside'
+import FancyScrollbar from 'src/shared/components/FancyScrollbar'
+import {ErrorHandling} from 'src/shared/decorators/errors'
+import {ColorNumber} from 'src/types/colors'
+import {DROPDOWN_MENU_MAX_HEIGHT} from 'src/shared/constants/index'
+
+interface Props {
+  selected: ColorNumber
+  disabled: boolean
+  stretchToFit: boolean
+  colors: ColorNumber[]
+  onChoose: (colors: ColorNumber[]) => void
+}
+
+interface State {
+  visible: boolean
+}
+
+@ErrorHandling
+export default class ColorDropdown extends Component<Props, State> {
+  constructor(props) {
+    super(props)
+
+    this.state = {
+      visible: false,
+    }
+  }
+
+  public render() {
+    const {visible} = this.state
+    const {selected} = this.props
+
+    return (
+      <ClickOutside onClickOutside={this.handleClickOutside}>
+        <div className={this.dropdownClassNames}>
+          <div
+            className={this.buttonClassNames}
+            onClick={this.handleToggleMenu}
+          >
+            <div
+              className="color-dropdown--swatch"
+              style={{backgroundColor: selected.hex}}
+            />
+            <div className="color-dropdown--name">{selected.name}</div>
+            <span className="caret" />
+          </div>
+          {visible && this.renderMenu}
+        </div>
+      </ClickOutside>
+    )
+  }
+
+  private get dropdownClassNames(): string {
+    const {stretchToFit} = this.props
+    const {visible} = this.state
+
+    return classnames('color-dropdown', {
+      open: visible,
+      'color-dropdown--stretch': stretchToFit,
+    })
+  }
+
+  private get buttonClassNames(): string {
+    const {disabled} = this.props
+    const {visible} = this.state
+
+    return classnames('btn btn-sm btn-default color-dropdown--toggle', {
+      active: visible,
+      'color-dropdown__disabled': disabled,
+    })
+  }
+
+  private get renderMenu(): JSX.Element {
+    const {colors, selected} = this.props
+
+    return (
+      <div className="color-dropdown--menu">
+        <FancyScrollbar
+          autoHide={false}
+          autoHeight={true}
+          maxHeight={DROPDOWN_MENU_MAX_HEIGHT}
+        >
+          {colors.map((color, i) => (
+            <div
+              className={
+                color.name === selected.name
+                  ? 'color-dropdown--item active'
+                  : 'color-dropdown--item'
+              }
+              key={i}
+              onClick={this.handleColorClick(color)}
+            >
+              <span
+                className="color-dropdown--swatch"
+                style={{backgroundColor: color.hex}}
+              />
+              <span className="color-dropdown--name">{color.name}</span>
+            </div>
+          ))}
+        </FancyScrollbar>
+      </div>
+    )
+  }
+
+  private handleToggleMenu = (): void => {
+    const {disabled} = this.props
+
+    if (disabled) {
+      return
+    }
+    this.setState({visible: !this.state.visible})
+  }
+
+  private handleClickOutside = (): void => {
+    this.setState({visible: false})
+  }
+
+  private handleColorClick = color => (): void => {
+    this.props.onChoose(color)
+    this.setState({visible: false})
+  }
+}