The hex color #597e1c is a dark color. The web-safe version is Hex
#666633. A complementary color is
#A681E3. The grayscale version is
#515151. A 20% lighter version of the original color is
#8CB14F, and Hex
#264B00 is the 20% darker color. If the color is saturated by 10%, you get
#5A8317. If the color is desaturated by 10%, the color
#587A21 is obtained.