The hex color #596B2D is a dark color. The web-safe version is Hex
#666633. A complementary color is
#A694D2. The grayscale version is
#505050. A 20% lighter version of the original color is
#8C9E60, and Hex
#263800 is the 20% darker color. If the color is saturated by 10%, you get
#5A6E29. If the color is desaturated by 10%, the color
#586831 is obtained.