The hex color #5b9b9c is a light color. The web-safe version is Hex
#669999. A complementary color is
#A46463. The grayscale version is
#868686. A 20% lighter version of the original color is
#8ECECF, and Hex
#286869 is the 20% darker color. If the color is saturated by 10%, you get
#579D9E. If the color is desaturated by 10%, the color
#5F999A is obtained.