The hex color #59bcc9 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#A64336. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#8CEFFC, and Hex
#268996 is the 20% darker color. If the color is saturated by 10%, you get
#52BFCD. If the color is desaturated by 10%, the color
#60B9C5 is obtained.