Hue=30, Orange
Luminance
100% 75% 50% 25% 0%
100          
75          
50          
25          
0          

Hello world!

Tints of Orange:

  @const THEME_COLOR:infobackground; // system color

  border: 4px solid tint(@THEME_COLOR,-0.25);
  background-color: tint(@THEME_COLOR,0.25);