The hex color #a3c00e is a light color. The web-safe version is Hex
#99CC00. A complementary color is
#5C3FF1. The grayscale version is
#7B7B7B. A 20% lighter version of the original color is
#D6F341, and Hex
#708D00 is the 20% darker color. If the color is saturated by 10%, you get
#A7C703. If the color is desaturated by 10%, the color
#9FB919 is obtained.