The hex color #302d2e is a dark color. The web-safe version is Hex
#333333. A complementary color is
#CFD2D1. The grayscale version is
#2E2E2E. A 20% lighter version of the original color is
#636061, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#302D2E. If the color is desaturated by 10%, the color
#302D2E is obtained.