diff --git a/playwright.config.ts b/playwright.config.ts
index 321d16e..317ab8a 100644
--- a/playwright.config.ts
+++ b/playwright.config.ts
@@ -14,8 +14,8 @@ export default defineConfig({
   },
   expect: {
     toHaveScreenshot: {
-      maxDiffPixelRatio: 0.05,
-      threshold: 0.2,
+      maxDiffPixelRatio: 0.02,
+      threshold: 0.05,
       animations: 'disabled',
     },
   },
diff --git a/src/chart.tsx b/src/chart.tsx
index 459d01f..727b5ff 100644
--- a/src/chart.tsx
+++ b/src/chart.tsx
@@ -393,7 +393,10 @@ class ChartWrapper {
             props.onSelection(info);
           }
         },
-        colors: (props.colors && chartColors.get(props.colors)) || undefined,
+        colors:
+          props.colors !== undefined
+            ? chartColors.get(props.colors)
+            : undefined,
         animate: true,
         updateSvgSize: false,
         locale: intl.locale,
diff --git a/tests/config_visual.spec.ts-snapshots/config-state-minimalist-visual-linux.png b/tests/config_visual.spec.ts-snapshots/config-state-minimalist-visual-linux.png
index e6c0fe8..0aab59d 100644
Binary files a/tests/config_visual.spec.ts-snapshots/config-state-minimalist-visual-linux.png and b/tests/config_visual.spec.ts-snapshots/config-state-minimalist-visual-linux.png differ