diff --git a/web_src/js/components/ActivityHeatmap.vue b/web_src/js/components/ActivityHeatmap.vue
index 7834ebe82c..acae1aedd0 100644
--- a/web_src/js/components/ActivityHeatmap.vue
+++ b/web_src/js/components/ActivityHeatmap.vue
@@ -31,8 +31,8 @@ export default {
   },
   data: () => ({
     colorRange: [
-      'var(--color-secondary-alpha-70)',
-      'var(--color-secondary-alpha-70)',
+      'var(--color-secondary-alpha-60)',
+      'var(--color-secondary-alpha-60)',
       'var(--color-primary-light-4)',
       'var(--color-primary-light-2)',
       'var(--color-primary)',