The hex color #539b7c is a light color. The web-safe version is Hex
#669966. A complementary color is
#AC6483. The grayscale version is
#797979. A 20% lighter version of the original color is
#86CEAF, and Hex
#206849 is the 20% darker color. If the color is saturated by 10%, you get
#4F9E7C. If the color is desaturated by 10%, the color
#57987C is obtained.