The hex color #53756c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#AC8A93. The grayscale version is
#676767. A 20% lighter version of the original color is
#86A89F, and Hex
#204239 is the 20% darker color. If the color is saturated by 10%, you get
#51766D. If the color is desaturated by 10%, the color
#55746B is obtained.