diff --git a/packages/frontend/src/components/MkActiveUsersHeatmap.vue b/packages/frontend/src/components/MkActiveUsersHeatmap.vue
index 9204c7312a..6b89a012f2 100644
--- a/packages/frontend/src/components/MkActiveUsersHeatmap.vue
+++ b/packages/frontend/src/components/MkActiveUsersHeatmap.vue
@@ -34,6 +34,7 @@ import { defaultStore } from '@/store';
 import { useChartTooltip } from '@/scripts/use-chart-tooltip';
 import { MatrixController, MatrixElement } from 'chartjs-chart-matrix';
 import { chartVLine } from '@/scripts/chart-vline';
+import { alpha } from '@/scripts/color';
 
 Chart.register(
 	ArcElement,
@@ -53,14 +54,6 @@ Chart.register(
 	MatrixController, MatrixElement,
 );
 
-const alpha = (hex, a) => {
-	const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
-	const r = parseInt(result[1], 16);
-	const g = parseInt(result[2], 16);
-	const b = parseInt(result[3], 16);
-	return `rgba(${r}, ${g}, ${b}, ${a})`;
-};
-
 const rootEl = $ref<HTMLDivElement>(null);
 const chartEl = $ref<HTMLCanvasElement>(null);
 const now = new Date();
diff --git a/packages/frontend/src/pages/admin/metrics.vue b/packages/frontend/src/pages/admin/metrics.vue
index db8e448639..6c4803fe0b 100644
--- a/packages/frontend/src/pages/admin/metrics.vue
+++ b/packages/frontend/src/pages/admin/metrics.vue
@@ -53,54 +53,47 @@
 <script lang="ts">
 import { defineComponent, markRaw } from 'vue';
 import {
-  Chart,
-  ArcElement,
-  LineElement,
-  BarElement,
-  PointElement,
-  BarController,
-  LineController,
-  CategoryScale,
-  LinearScale,
-  Legend,
-  Title,
-  Tooltip,
-  SubTitle,
+	Chart,
+	ArcElement,
+	LineElement,
+	BarElement,
+	PointElement,
+	BarController,
+	LineController,
+	CategoryScale,
+	LinearScale,
+	Legend,
+	Title,
+	Tooltip,
+	SubTitle,
 } from 'chart.js';
+import MkwFederation from '../../widgets/federation.vue';
 import MkButton from '@/components/MkButton.vue';
 import MkSelect from '@/components/form/select.vue';
 import MkInput from '@/components/form/input.vue';
 import MkContainer from '@/components/MkContainer.vue';
 import MkFolder from '@/components/MkFolder.vue';
-import MkwFederation from '../../widgets/federation.vue';
 import { version, url } from '@/config';
 import bytes from '@/filters/bytes';
 import number from '@/filters/number';
-
-Chart.register(
-  ArcElement,
-  LineElement,
-  BarElement,
-  PointElement,
-  BarController,
-  LineController,
-  CategoryScale,
-  LinearScale,
-  Legend,
-  Title,
-  Tooltip,
-  SubTitle,
-);
-
-const alpha = (hex, a) => {
-	const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
-	const r = parseInt(result[1], 16);
-	const g = parseInt(result[2], 16);
-	const b = parseInt(result[3], 16);
-	return `rgba(${r}, ${g}, ${b}, ${a})`;
-};
 import * as os from '@/os';
 import { stream } from '@/stream';
+import { alpha } from '@/scripts/color';
+
+Chart.register(
+	ArcElement,
+	LineElement,
+	BarElement,
+	PointElement,
+	BarController,
+	LineController,
+	CategoryScale,
+	LinearScale,
+	Legend,
+	Title,
+	Tooltip,
+	SubTitle,
+);
 
 export default defineComponent({
 	components: {
diff --git a/packages/frontend/src/pages/admin/overview.active-users.vue b/packages/frontend/src/pages/admin/overview.active-users.vue
index c3ce5ac901..ea8c74f3a2 100644
--- a/packages/frontend/src/pages/admin/overview.active-users.vue
+++ b/packages/frontend/src/pages/admin/overview.active-users.vue
@@ -34,6 +34,7 @@ import { defaultStore } from '@/store';
 import { useChartTooltip } from '@/scripts/use-chart-tooltip';
 import gradient from 'chartjs-plugin-gradient';
 import { chartVLine } from '@/scripts/chart-vline';
+import { alpha } from '@/scripts/color';
 
 Chart.register(
 	ArcElement,
@@ -53,14 +54,6 @@ Chart.register(
 	gradient,
 );
 
-const alpha = (hex, a) => {
-	const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
-	const r = parseInt(result[1], 16);
-	const g = parseInt(result[2], 16);
-	const b = parseInt(result[3], 16);
-	return `rgba(${r}, ${g}, ${b}, ${a})`;
-};
-
 const chartEl = $ref<HTMLCanvasElement>(null);
 const now = new Date();
 let chartInstance: Chart = null;
diff --git a/packages/frontend/src/pages/admin/overview.ap-requests.vue b/packages/frontend/src/pages/admin/overview.ap-requests.vue
index 024ffdc245..d15507564d 100644
--- a/packages/frontend/src/pages/admin/overview.ap-requests.vue
+++ b/packages/frontend/src/pages/admin/overview.ap-requests.vue
@@ -44,6 +44,7 @@ import { i18n } from '@/i18n';
 import { useChartTooltip } from '@/scripts/use-chart-tooltip';
 import { chartVLine } from '@/scripts/chart-vline';
 import { defaultStore } from '@/store';
+import { alpha } from '@/scripts/color';
 
 Chart.register(
 	ArcElement,
@@ -63,14 +64,6 @@ Chart.register(
 	gradient,
 );
 
-const alpha = (hex, a) => {
-	const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
-	const r = parseInt(result[1], 16);
-	const g = parseInt(result[2], 16);
-	const b = parseInt(result[3], 16);
-	return `rgba(${r}, ${g}, ${b}, ${a})`;
-};
-
 const chartLimit = 50;
 const chartEl = $ref<HTMLCanvasElement>();
 const chartEl2 = $ref<HTMLCanvasElement>();
diff --git a/packages/frontend/src/pages/admin/overview.queue.chart.vue b/packages/frontend/src/pages/admin/overview.queue.chart.vue
index 1e095bddaa..2552e0a6c3 100644
--- a/packages/frontend/src/pages/admin/overview.queue.chart.vue
+++ b/packages/frontend/src/pages/admin/overview.queue.chart.vue
@@ -26,6 +26,7 @@ import * as os from '@/os';
 import { defaultStore } from '@/store';
 import { useChartTooltip } from '@/scripts/use-chart-tooltip';
 import { chartVLine } from '@/scripts/chart-vline';
+import { alpha } from '@/scripts/color';
 
 Chart.register(
 	ArcElement,
@@ -48,14 +49,6 @@ const props = defineProps<{
 	type: string;
 }>();
 
-const alpha = (hex, a) => {
-	const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
-	const r = parseInt(result[1], 16);
-	const g = parseInt(result[2], 16);
-	const b = parseInt(result[3], 16);
-	return `rgba(${r}, ${g}, ${b}, ${a})`;
-};
-
 const chartEl = ref<HTMLCanvasElement>(null);
 
 const gridColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.1)';
diff --git a/packages/frontend/src/pages/admin/queue.chart.chart.vue b/packages/frontend/src/pages/admin/queue.chart.chart.vue
index 5777674ae3..b91689589d 100644
--- a/packages/frontend/src/pages/admin/queue.chart.chart.vue
+++ b/packages/frontend/src/pages/admin/queue.chart.chart.vue
@@ -26,6 +26,7 @@ import * as os from '@/os';
 import { defaultStore } from '@/store';
 import { useChartTooltip } from '@/scripts/use-chart-tooltip';
 import { chartVLine } from '@/scripts/chart-vline';
+import { alpha } from '@/scripts/color';
 
 Chart.register(
 	ArcElement,
@@ -48,14 +49,6 @@ const props = defineProps<{
 	type: string;
 }>();
 
-const alpha = (hex, a) => {
-	const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
-	const r = parseInt(result[1], 16);
-	const g = parseInt(result[2], 16);
-	const b = parseInt(result[3], 16);
-	return `rgba(${r}, ${g}, ${b}, ${a})`;
-};
-
 const chartEl = ref<HTMLCanvasElement>(null);
 
 const gridColor = defaultStore.state.darkMode ? 'rgba(255, 255, 255, 0.1)' : 'rgba(0, 0, 0, 0.1)';
diff --git a/packages/frontend/src/scripts/color.ts b/packages/frontend/src/scripts/color.ts
new file mode 100644
index 0000000000..10a99a5a05
--- /dev/null
+++ b/packages/frontend/src/scripts/color.ts
@@ -0,0 +1,7 @@
+export const alpha = (hex: string, a: number): string => {
+	const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex)!;
+	const r = parseInt(result[1], 16);
+	const g = parseInt(result[2], 16);
+	const b = parseInt(result[3], 16);
+	return `rgba(${r}, ${g}, ${b}, ${a})`;
+};