The hex color #a9a41b is a light color. The web-safe version is Hex
#999933. A complementary color is
#565BE4. The grayscale version is
#787878. A 20% lighter version of the original color is
#DCD74E, and Hex
#767100 is the 20% darker color. If the color is saturated by 10%, you get
#AEA812. If the color is desaturated by 10%, the color
#A4A024 is obtained.