The hex color #a4b01d is a light color. The web-safe version is Hex
#999933. A complementary color is
#5B4FE2. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#D7E350, and Hex
#717D00 is the 20% darker color. If the color is saturated by 10%, you get
#A8B514. If the color is desaturated by 10%, the color
#A0AB26 is obtained.