The hex color #2a7759 is a dark color. The web-safe version is Hex
#336666. A complementary color is
#D588A6. The grayscale version is
#535353. A 20% lighter version of the original color is
#5DAA8C, and Hex
#004426 is the 20% darker color. If the color is saturated by 10%, you get
#267B5A. If the color is desaturated by 10%, the color
#2E7358 is obtained.