The hex color #4c6d5c is a dark color. The web-safe version is Hex
#336666. A complementary color is
#B392A3. The grayscale version is
#5C5C5C. A 20% lighter version of the original color is
#7FA08F, and Hex
#193A29 is the 20% darker color. If the color is saturated by 10%, you get
#4A6F5C. If the color is desaturated by 10%, the color
#4E6B5C is obtained.