The hex color #53959c is a light color. The web-safe version is Hex
#669999. A complementary color is
#AC6A63. The grayscale version is
#818181. A 20% lighter version of the original color is
#86C8CF, and Hex
#206269 is the 20% darker color. If the color is saturated by 10%, you get
#4E979F. If the color is desaturated by 10%, the color
#589399 is obtained.