The hex color #33cc00 is a light color. The web-safe version is Hex
#33CC00. A complementary color is
#CC33FF. The grayscale version is
#555555. A 20% lighter version of the original color is
#66FF33, and Hex
#009900 is the 20% darker color. If the color is saturated by 10%, you get
#30D800. If the color is desaturated by 10%, the color
#36C009 is obtained.