The hex color #71756c is a dark color. The web-safe version is Hex
#666666. A complementary color is
#8E8A93. The grayscale version is
#717171. A 20% lighter version of the original color is
#A4A89F, and Hex
#3E4239 is the 20% darker color. If the color is saturated by 10%, you get
#71756C. If the color is desaturated by 10%, the color
#71756C is obtained.