The hex color #4d634c is a dark color. The web-safe version is Hex
#666633. A complementary color is
#B29CB3. The grayscale version is
#545454. A 20% lighter version of the original color is
#80967F, and Hex
#1A3019 is the 20% darker color. If the color is saturated by 10%, you get
#4C654B. If the color is desaturated by 10%, the color
#4E624D is obtained.