The hex color #a6da5b is a light color. The web-safe version is Hex
#99CC66. A complementary color is
#5925A4. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#D9FF8E, and Hex
#73A728 is the 20% darker color. If the color is saturated by 10%, you get
#A7E054. If the color is desaturated by 10%, the color
#A5D462 is obtained.