The hex color #5c7e5e is a dark color. The web-safe version is Hex
#666666. A complementary color is
#A381A1. The grayscale version is
#686868. A 20% lighter version of the original color is
#8FB191, and Hex
#294B2B is the 20% darker color. If the color is saturated by 10%, you get
#5B805D. If the color is desaturated by 10%, the color
#5D7C5F is obtained.