The hex color #7f878c is a light color. The web-safe version is Hex
#669999. A complementary color is
#807873. The grayscale version is
#868686. A 20% lighter version of the original color is
#B2BABF, and Hex
#4C5459 is the 20% darker color. If the color is saturated by 10%, you get
#7E878D. If the color is desaturated by 10%, the color
#80878B is obtained.