The hex color #497c5c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B683A3. The grayscale version is
#606060. A 20% lighter version of the original color is
#7CAF8F, and Hex
#164929 is the 20% darker color. If the color is saturated by 10%, you get
#477F5C. If the color is desaturated by 10%, the color
#4B795C is obtained.