The hex color #303c1c is a dark color. The web-safe version is Hex
#333333. A complementary color is
#CFC3E3. The grayscale version is
#2D2D2D. A 20% lighter version of the original color is
#636F4F, and Hex
#000900 is the 20% darker color. If the color is saturated by 10%, you get
#303D1A. If the color is desaturated by 10%, the color
#303B1E is obtained.