The hex color #31e05c is a light color. The web-safe version is Hex
#33CC66. A complementary color is
#CE1FA3. The grayscale version is
#7A7A7A. A 20% lighter version of the original color is
#64FF8F, and Hex
#00AD29 is the 20% darker color. If the color is saturated by 10%, you get
#2AEA59. If the color is desaturated by 10%, the color
#38D65F is obtained.