The hex color #4d5e18 is a dark color. The web-safe version is Hex
#666600. A complementary color is
#B2A1E7. The grayscale version is
#414141. A 20% lighter version of the original color is
#80914B, and Hex
#1A2B00 is the 20% darker color. If the color is saturated by 10%, you get
#4E6114. If the color is desaturated by 10%, the color
#4C5B1C is obtained.