The hex color #a66e1b is a dark color. The web-safe version is Hex
#996633. A complementary color is
#5991E4. The grayscale version is
#656565. A 20% lighter version of the original color is
#D9A14E, and Hex
#733B00 is the 20% darker color. If the color is saturated by 10%, you get
#AD6F14. If the color is desaturated by 10%, the color
#A06D22 is obtained.