The hex color #1d3b2c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E2C4D3. The grayscale version is
#2C2C2C. A 20% lighter version of the original color is
#506E5F, and Hex
#000800 is the 20% darker color. If the color is saturated by 10%, you get
#1C3D2C. If the color is desaturated by 10%, the color
#1F3A2C is obtained.