The hex color #12766c is a dark color. The web-safe version is Hex
#006666. A complementary color is
#ED8993. The grayscale version is
#515151. A 20% lighter version of the original color is
#45A99F, and Hex
#004339 is the 20% darker color. If the color is saturated by 10%, you get
#0C7A6F. If the color is desaturated by 10%, the color
#187269 is obtained.