The hex color #58916c is a dark color. The web-safe version is Hex
#669966. A complementary color is
#A76E93. The grayscale version is
#727272. A 20% lighter version of the original color is
#8BC49F, and Hex
#255E39 is the 20% darker color. If the color is saturated by 10%, you get
#55946B. If the color is desaturated by 10%, the color
#5B8E6D is obtained.