The hex color #577A2D is a dark color. The web-safe version is Hex
#666633. A complementary color is
#A885D2. The grayscale version is
#555555. A 20% lighter version of the original color is
#8AAD60, and Hex
#244700 is the 20% darker color. If the color is saturated by 10%, you get
#577E29. If the color is desaturated by 10%, the color
#577631 is obtained.