The hex color #a54c39 is a dark color. The web-safe version is Hex
#993333. A complementary color is
#5AB3C6. The grayscale version is
#636363. A 20% lighter version of the original color is
#D87F6C, and Hex
#721906 is the 20% darker color. If the color is saturated by 10%, you get
#AC4A35. If the color is desaturated by 10%, the color
#9E4E3D is obtained.