The hex color #6ac31e is a light color. The web-safe version is Hex
#66CC33. A complementary color is
#953CE1. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#9DF651, and Hex
#379000 is the 20% darker color. If the color is saturated by 10%, you get
#6ACB16. If the color is desaturated by 10%, the color
#6ABB26 is obtained.