The hex color #a3fd36 is a light color. The web-safe version is Hex
#99FF33. A complementary color is
#5C02C9. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#D6FF69, and Hex
#70CA03 is the 20% darker color. If the color is saturated by 10%, you get
#A4FF2C. If the color is desaturated by 10%, the color
#A2F340 is obtained.