The hex color #af9f18 is a light color. The web-safe version is Hex
#999900. A complementary color is
#5060E7. The grayscale version is
#777777. A 20% lighter version of the original color is
#E2D24B, and Hex
#7C6C00 is the 20% darker color. If the color is saturated by 10%, you get
#B5A30E. If the color is desaturated by 10%, the color
#A99B22 is obtained.