The hex color #1f1d1f is a dark color. The web-safe version is Hex
#333333. A complementary color is
#E0E2E0. The grayscale version is
#1E1E1E. A 20% lighter version of the original color is
#525052, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#1F1D1F. If the color is desaturated by 10%, the color
#1F1D1F is obtained.