The hex color #31d05c is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#CE2FA3. The grayscale version is
#747474. A 20% lighter version of the original color is
#64FF8F, and Hex
#009D29 is the 20% darker color. If the color is saturated by 10%, you get
#2AD95A. If the color is desaturated by 10%, the color
#38C75E is obtained.