The hex color #a6b42a is a light color. The web-safe version is Hex
#99CC33. A complementary color is
#594BD5. The grayscale version is
#818181. A 20% lighter version of the original color is
#D9E75D, and Hex
#738100 is the 20% darker color. If the color is saturated by 10%, you get
#AAB921. If the color is desaturated by 10%, the color
#A2AF33 is obtained.