The hex color #3faf3c is a light color. The web-safe version is Hex
#339933. A complementary color is
#C050C3. The grayscale version is
#636363. A 20% lighter version of the original color is
#72E26F, and Hex
#0C7C09 is the 20% darker color. If the color is saturated by 10%, you get
#3BB738. If the color is desaturated by 10%, the color
#43A740 is obtained.