The hex color #16171c is a dark color. The web-safe version is Hex
#000033. A complementary color is
#E9E8E3. The grayscale version is
#181818. A 20% lighter version of the original color is
#494A4F, and Hex
#000000 is the 20% darker color. If the color is saturated by 10%, you get
#16171C. If the color is desaturated by 10%, the color
#16171C is obtained.