The hex color #4a663c is a dark color. The web-safe version is Hex
#336633. A complementary color is
#B599C3. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#7D996F, and Hex
#173309 is the 20% darker color. If the color is saturated by 10%, you get
#4A683A. If the color is desaturated by 10%, the color
#4A643E is obtained.