The hex color #302e2e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#CFD1D1. The grayscale version is
#2F2F2F. A 20% lighter version of the original color is
#636161, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#302E2E. If the color is desaturated by 10%, the color
#302E2E is obtained.