The hex color #2e3b2f is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D1C4D0. The grayscale version is
#333333. A 20% lighter version of the original color is
#616E62, and Hex
#000800 is the 20% darker color. If the color is saturated by 10%, you get
#2E3C2F. If the color is desaturated by 10%, the color
#2E3A2F is obtained.