The hex color #1d4e2f is a dark color. The web-safe version is Hex
#336633. A complementary color is
#E2B1D0. The grayscale version is
#333333. A 20% lighter version of the original color is
#508162, and Hex
#001B00 is the 20% darker color. If the color is saturated by 10%, you get
#1B512F. If the color is desaturated by 10%, the color
#1F4B2F is obtained.