💄 Improve amber theme's color palette

Author: Frontendland

src/scss/global/theme.scss

@@ -122,7 +122,7 @@
             --w-color-primary-30: #757575;
             --w-color-primary-40: #232323;
             --w-color-primary-50: #312e31;
-            --w-color-primary-60: #222;
+            --w-color-primary-60: #1b1b1b;
             --w-color-primary-70: #111;
 
             --w-color-info: #78dcdc;