The hex color #a64c3f is a dark color. The web-safe version is Hex
#993333. A complementary color is
#59B3C0. The grayscale version is
#666666. A 20% lighter version of the original color is
#D97F72, and Hex
#73190C is the 20% darker color. If the color is saturated by 10%, you get
#AC493B. If the color is desaturated by 10%, the color
#A04F43 is obtained.