The hex color #3daa19 is a dark color. The web-safe version is Hex
#339900. A complementary color is
#C255E6. The grayscale version is
#555555. A 20% lighter version of the original color is
#70DD4C, and Hex
#0A7700 is the 20% darker color. If the color is saturated by 10%, you get
#3BB213. If the color is desaturated by 10%, the color
#3FA21F is obtained.