The hex color #a3fd75 is a light color. The web-safe version is Hex
#99FF66. A complementary color is
#5C028A. The grayscale version is
#B2B2B2. A 20% lighter version of the original color is
#D6FFA8, and Hex
#70CA42 is the 20% darker color. If the color is saturated by 10%, you get
#A2FF6F. If the color is desaturated by 10%, the color
#A4F57B is obtained.