The hex color #a8da1c is a light color. The web-safe version is Hex
#99CC33. A complementary color is
#5725E3. The grayscale version is
#8A8A8A. A 20% lighter version of the original color is
#DBFF4F, and Hex
#75A700 is the 20% darker color. If the color is saturated by 10%, you get
#ABE211. If the color is desaturated by 10%, the color
#A5D227 is obtained.