The hex color #3ccd23 is a light color. The web-safe version is Hex
#33CC33. A complementary color is
#C332DC. The grayscale version is
#646464. A 20% lighter version of the original color is
#6FFF56, and Hex
#099A00 is the 20% darker color. If the color is saturated by 10%, you get
#38D81D. If the color is desaturated by 10%, the color
#40C32A is obtained.