The hex color #477d7c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B88283. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#7AB0AF, and Hex
#144A49 is the 20% darker color. If the color is saturated by 10%, you get
#437F7E. If the color is desaturated by 10%, the color
#4B7B7A is obtained.