The hex color #277029 is a dark color. The web-safe version is Hex
#336633. A complementary color is
#D88FD6. The grayscale version is
#404040. A 20% lighter version of the original color is
#5AA35C, and Hex
#003D00 is the 20% darker color. If the color is saturated by 10%, you get
#257527. If the color is desaturated by 10%, the color
#2A6B2B is obtained.