diff --git a/addons/a11y/src/components/VisionSimulator.tsx b/addons/a11y/src/components/VisionSimulator.tsx
index b831a37a693..edae35e978e 100644
--- a/addons/a11y/src/components/VisionSimulator.tsx
+++ b/addons/a11y/src/components/VisionSimulator.tsx
@@ -80,10 +80,10 @@ const Title = styled.span({
   textTransform: 'capitalize',
 });
 
-const Description = styled.span({
-  fontSize: '0.9em',
-  color: 'gray',
-});
+const Description = styled.span(({ theme }) => ({
+  fontSize: 11,
+  color: theme.textMutedColor,
+}));
 
 const getColorList = (active: Filter, set: (i: Filter) => void): Link[] => [
   ...(active !== null