The hex color #5d765c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#A289A3. The grayscale version is
#656565. A 20% lighter version of the original color is
#90A98F, and Hex
#2A4329 is the 20% darker color. If the color is saturated by 10%, you get
#5C785B. If the color is desaturated by 10%, the color
#5E745D is obtained.