The hex color #3da20a is a dark color. The web-safe version is Hex
#339900. A complementary color is
#C25DF5. The grayscale version is
#4E4E4E. A 20% lighter version of the original color is
#70D53D, and Hex
#0A6F00 is the 20% darker color. If the color is saturated by 10%, you get
#3BAA03. If the color is desaturated by 10%, the color
#3F9A11 is obtained.