The hex color #128e2c is a dark color. The web-safe version is Hex
#009933. A complementary color is
#ED71D3. The grayscale version is
#444444. A 20% lighter version of the original color is
#45C15F, and Hex
#005B00 is the 20% darker color. If the color is saturated by 10%, you get
#0D952A. If the color is desaturated by 10%, the color
#17872E is obtained.