The hex color #589a9c is a light color. The web-safe version is Hex
#669999. A complementary color is
#A76563. The grayscale version is
#858585. A 20% lighter version of the original color is
#8BCDCF, and Hex
#256769 is the 20% darker color. If the color is saturated by 10%, you get
#549C9E. If the color is desaturated by 10%, the color
#5C989A is obtained.