The hex color #a2d91b is a light color. The web-safe version is Hex
#99CC33. A complementary color is
#5D26E4. The grayscale version is
#878787. A 20% lighter version of the original color is
#D5FF4E, and Hex
#6FA600 is the 20% darker color. If the color is saturated by 10%, you get
#A5E110. If the color is desaturated by 10%, the color
#9FD126 is obtained.