The hex color #4c787c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B38783. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#7FABAF, and Hex
#194549 is the 20% darker color. If the color is saturated by 10%, you get
#49797E. If the color is desaturated by 10%, the color
#4F777A is obtained.