The hex color #a1f41d is a light color. The web-safe version is Hex
#99FF33. A complementary color is
#5E0BE2. The grayscale version is
#919191. A 20% lighter version of the original color is
#D4FF50, and Hex
#6EC100 is the 20% darker color. If the color is saturated by 10%, you get
#A3FE11. If the color is desaturated by 10%, the color
#9FEA29 is obtained.