The hex color #c5c6cd is a light color. The web-safe version is Hex
#CCCCCC. A complementary color is
#3A3932. The grayscale version is
#C8C8C8. A 20% lighter version of the original color is
#F8F9FF, and Hex
#92939A is the 20% darker color. If the color is saturated by 10%, you get
#C5C6CE. If the color is desaturated by 10%, the color
#C5C6CD is obtained.