The hex color #3da30f is a dark color. The web-safe version is Hex
#339900. A complementary color is
#C25CF0. The grayscale version is
#505050. A 20% lighter version of the original color is
#70D642, and Hex
#0A7000 is the 20% darker color. If the color is saturated by 10%, you get
#3BAB09. If the color is desaturated by 10%, the color
#3F9B15 is obtained.