diff --git a/src/client/app/theme.ts b/src/client/app/theme.ts
index 18ff82b9ec..b16fcdff4b 100644
--- a/src/client/app/theme.ts
+++ b/src/client/app/theme.ts
@@ -19,7 +19,7 @@ export const cafeTheme: Theme = require('../themes/cafe.json5');
 export const japaneseSushiSetTheme: Theme = require('../themes/japanese-sushi-set.json5');
 export const gruvboxDarkTheme: Theme = require('../themes/gruvbox-dark.json5');
 export const monokaiTheme: Theme = require('../themes/monokai.json5');
-export const colorfulTheme: Theme = require('../themes/colorful.json5');
+export const vividTheme: Theme = require('../themes/vivid.json5');
 export const rainyTheme: Theme = require('../themes/rainy.json5');
 export const mauveTheme: Theme = require('../themes/mauve.json5');
 export const grayTheme: Theme = require('../themes/gray.json5');
@@ -35,7 +35,7 @@ export const builtinThemes = [
 	japaneseSushiSetTheme,
 	gruvboxDarkTheme,
 	monokaiTheme,
-	colorfulTheme,
+	vividTheme,
 	rainyTheme,
 	mauveTheme,
 	grayTheme,
diff --git a/src/client/themes/colorful.json5 b/src/client/themes/vivid.json5
similarity index 95%
rename from src/client/themes/colorful.json5
rename to src/client/themes/vivid.json5
index 5b7441e1cf..27bf742f3f 100644
--- a/src/client/themes/colorful.json5
+++ b/src/client/themes/vivid.json5
@@ -1,7 +1,7 @@
 {
 	id: '2d066d6e-bd39-4f23-bd48-686d5c1c6ae8',
 
-	name: 'Colorful',
+	name: 'Vivid',
 	author: 'syuilo',
 
 	base: 'light',