The hex color #a3ee41 is a light color. The web-safe version is Hex
#99FF33. A complementary color is
#5C11BE. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#D6FF74, and Hex
#70BB0E is the 20% darker color. If the color is saturated by 10%, you get
#A4F638. If the color is desaturated by 10%, the color
#A2E64A is obtained.