The hex color #3d3d0e is a dark color. The web-safe version is Hex
#333300. A complementary color is
#C2C2F1. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#707041, and Hex
#0A0A00 is the 20% darker color. If the color is saturated by 10%, you get
#3F3F0B. If the color is desaturated by 10%, the color
#3B3B11 is obtained.