The hex color #a2b81b is a light color. The web-safe version is Hex
#99CC33. A complementary color is
#5D47E4. The grayscale version is
#7C7C7C. A 20% lighter version of the original color is
#D5EB4E, and Hex
#6F8500 is the 20% darker color. If the color is saturated by 10%, you get
#A6BE11. If the color is desaturated by 10%, the color
#9EB225 is obtained.