The hex color #4e7d52 is a dark color. The web-safe version is Hex
#666666. A complementary color is
#B182AD. The grayscale version is
#5F5F5F. A 20% lighter version of the original color is
#81B085, and Hex
#1B4A1F is the 20% darker color. If the color is saturated by 10%, you get
#4C8051. If the color is desaturated by 10%, the color
#507A53 is obtained.