The hex color #6dd30c is a light color. The web-safe version is Hex
#66CC00. A complementary color is
#922CF3. The grayscale version is
#6F6F6F. A 20% lighter version of the original color is
#A0FF3F, and Hex
#3AA000 is the 20% darker color. If the color is saturated by 10%, you get
#6DDD02. If the color is desaturated by 10%, the color
#6DC916 is obtained.