The hex color #55fd2c is a light color. The web-safe version is Hex
#66FF33. A complementary color is
#AA02D3. The grayscale version is
#7F7F7F. A 20% lighter version of the original color is
#88FF5F, and Hex
#22CA00 is the 20% darker color. If the color is saturated by 10%, you get
#51FF24. If the color is desaturated by 10%, the color
#59F034 is obtained.