The hex color #ac350c is a dark color. The web-safe version is Hex
#993300. A complementary color is
#53CAF3. The grayscale version is
#4F4F4F. A 20% lighter version of the original color is
#DF683F, and Hex
#790200 is the 20% darker color. If the color is saturated by 10%, you get
#B53205. If the color is desaturated by 10%, the color
#A33813 is obtained.