The hex color #22745c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#DD8BA3. The grayscale version is
#515151. A 20% lighter version of the original color is
#55A78F, and Hex
#004129 is the 20% darker color. If the color is saturated by 10%, you get
#1D785D. If the color is desaturated by 10%, the color
#27705B is obtained.