The hex color #a4a23a is a light color. The web-safe version is Hex
#999933. A complementary color is
#5B5DC5. The grayscale version is
#808080. A 20% lighter version of the original color is
#D7D56D, and Hex
#716F07 is the 20% darker color. If the color is saturated by 10%, you get
#A8A533. If the color is desaturated by 10%, the color
#A09F41 is obtained.