The hex color #7f9e9c is a light color. The web-safe version is Hex
#669999. A complementary color is
#806163. The grayscale version is
#939393. A 20% lighter version of the original color is
#B2D1CF, and Hex
#4C6B69 is the 20% darker color. If the color is saturated by 10%, you get
#7D9F9D. If the color is desaturated by 10%, the color
#819D9B is obtained.