The hex color #53716d is a dark color. The web-safe version is Hex
#666666. A complementary color is
#AC8E92. The grayscale version is
#666666. A 20% lighter version of the original color is
#86A4A0, and Hex
#203E3A is the 20% darker color. If the color is saturated by 10%, you get
#51726E. If the color is desaturated by 10%, the color
#55706C is obtained.