The hex color #2c3d2e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#D3C2D1. The grayscale version is
#323232. A 20% lighter version of the original color is
#5F7061, and Hex
#000A00 is the 20% darker color. If the color is saturated by 10%, you get
#2B3E2E. If the color is desaturated by 10%, the color
#2D3C2E is obtained.