diff --git a/src/page-components/harmonies/HarmonyPreview.module.css b/src/page-components/harmonies/HarmonyPreview.module.css
index 80b5873..394df47 100644
--- a/src/page-components/harmonies/HarmonyPreview.module.css
+++ b/src/page-components/harmonies/HarmonyPreview.module.css
@@ -23,7 +23,7 @@
         flex-grow: 0;
         flex-shrink: 1;
         font-size: var(--font-size-m);
-        transition: flex-grow 300ms, width 300ms;
+        transition: flex-grow 300ms, width 300ms, opacity 200ms;
         > * {
           overflow: hidden;
         }
@@ -34,6 +34,9 @@
         &.zero_width {
           width: 0;
         }
+        &.hide {
+          opacity: 0;
+        }
         .color_ratio {
           height: 1.5em;
           padding-inline: var(--spacing-s);
@@ -45,6 +48,9 @@
           font-size: var(--font-size-s);
           text-transform: uppercase;
           text-align: right;
+          > span {
+            cursor: pointer;
+          }
         }
       }
     }
diff --git a/src/page-components/harmonies/HarmonyPreview.tsx b/src/page-components/harmonies/HarmonyPreview.tsx
index 7540ce8..47ac03d 100644
--- a/src/page-components/harmonies/HarmonyPreview.tsx
+++ b/src/page-components/harmonies/HarmonyPreview.tsx
@@ -1,6 +1,8 @@
 import cx from 'clsx';
-import { constant, flatten, isEqual, take, times } from 'lodash-es';
-import { useMemo } from 'react';
+import { constant, flatten, isEqual, isNil, take, times } from 'lodash-es';
+import { useEffect, useMemo } from 'react';
+import { useCopyToClipboard } from 'react-use';
+import { NotificationType, useNotification } from '../../components/Notifications';
 import { HarmonyColor } from '../../models';
 import styles from './HarmonyPreview.module.css';
 
@@ -9,6 +11,8 @@ type HarmonyPreviewProps = {
 };
 
 export function HarmonyPreview({ colors = [] }: HarmonyPreviewProps) {
+  const [cpState, copyToClipboard] = useCopyToClipboard();
+  const { showToast } = useNotification();
   const extendedColors = useMemo(() => {
     const sortedColors = colors.sort((a, b) => -(a.ratio - b.ratio));
     if (sortedColors.length >= 4) {
@@ -20,6 +24,19 @@ export function HarmonyPreview({ colors = [] }: HarmonyPreviewProps) {
     ]);
   }, [colors]);
 
+  useEffect(() => {
+    if (!isNil(cpState.error)) {
+      showToast(NotificationType.ERROR, 'Failed to copy to clipboard', 'tabler:alert-circle', 3000);
+    } else if (!isNil(cpState.value)) {
+      showToast(
+        NotificationType.SUCCESS,
+        `${cpState.value} has been copied to clipboard.`,
+        'tabler:circle-check',
+        3000,
+      );
+    }
+  }, [cpState]);
+
   return (
     <div className={styles.preview}>
       <h5>Harmony Preview</h5>
@@ -27,11 +44,13 @@ export function HarmonyPreview({ colors = [] }: HarmonyPreviewProps) {
         {extendedColors.map(({ color, ratio }, index) => (
           <div
             key={index}
-            className={cx(styles.color_block, isEqual(ratio, 0) && styles.zero_width)}
+            className={cx(styles.color_block, isEqual(ratio, 0) && styles.hide)}
             style={{ flexGrow: ratio }}>
             <div className={styles.color_ratio}>{ratio > 0 && `Ratio: ${ratio}`}</div>
             <div className={styles.color_square} style={{ backgroundColor: `#${color}` }}></div>
-            <div className={styles.color_code}>{ratio > 0 && `#${color}`}</div>
+            <div className={styles.color_code}>
+              {ratio > 0 && <span onClick={() => copyToClipboard(`#${color}`)}>#{color}</span>}
+            </div>
           </div>
         ))}
       </div>