The hex color #a9cd3a is a light color. The web-safe version is Hex
#99CC33. A complementary color is
#5632C5. The grayscale version is
#909090. A 20% lighter version of the original color is
#DCFF6D, and Hex
#769A07 is the 20% darker color. If the color is saturated by 10%, you get
#ACD331. If the color is desaturated by 10%, the color
#A7C743 is obtained.