Merge pull request mui#1490 from oliviertassinari/patch-3

[theme] fix theme light

Author: hai-cea

src/styles/themes/light-theme.js

@@ -75,7 +75,7 @@ let LightTheme = {
         secondaryIconColor: Colors.white,
       },
       inkBar: {
-        backgroundColor: Colors.yellow200,
+        backgroundColor: palette.accent1Color,
       },
       leftNav: {
         width: spacing.desktopKeylineIncrement * 4,