The hex color #3D4A2D is a dark color. The web-safe version is Hex
#333333. A complementary color is
#C2B5D2. The grayscale version is
#3C3C3C. A 20% lighter version of the original color is
#707D60, and Hex
#0A1700 is the 20% darker color. If the color is saturated by 10%, you get
#3D4B2C. If the color is desaturated by 10%, the color
#3D492F is obtained.