diff --git a/ui/src/app/tab-bar/tab-bar.ts b/ui/src/app/tab-bar/tab-bar.ts
index b772ffd..e577460 100644
--- a/ui/src/app/tab-bar/tab-bar.ts
+++ b/ui/src/app/tab-bar/tab-bar.ts
@@ -160,7 +160,7 @@ const CONCURRENCY_CHOICES = [2, 3, 4, 6, 8] as const;
                 <button
                   (click)="settings.setAccent(tone.value)"
                   [title]="tone.label"
-                  class="size-3.5 rounded-full border border-foreground/15"
+                  class="size-3 rounded-full border border-foreground/15"
                   [style.background-color]="tone.swatch"
                   [class.ring-2]="settings.accent() === tone.value"
                   [class.ring-foreground]="settings.accent() === tone.value"