The hex color #c4c40f is a light color. The web-safe version is Hex
#CCCC00. A complementary color is
#3B3BF0. The grayscale version is
#888888. A 20% lighter version of the original color is
#F7F742, and Hex
#919100 is the 20% darker color. If the color is saturated by 10%, you get
#CACA03. If the color is desaturated by 10%, the color
#BEBE1B is obtained.