The hex color #2D9F39 is a dark color. The web-safe version is Hex
#339933. A complementary color is
#D260C6. The grayscale version is
#575757. A 20% lighter version of the original color is
#60D26C, and Hex
#006C06 is the 20% darker color. If the color is saturated by 10%, you get
#29A636. If the color is desaturated by 10%, the color
#31983C is obtained.