The hex color #ac340c is a dark color. The web-safe version is Hex
#993300. A complementary color is
#53CBF3. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#DF673F, and Hex
#790100 is the 20% darker color. If the color is saturated by 10%, you get
#B53105. If the color is desaturated by 10%, the color
#A33713 is obtained.