The hex color #5DC9A8 is a light color. The web-safe version is Hex
#66CC99. A complementary color is
#A23657. The grayscale version is
#9A9A9A. A 20% lighter version of the original color is
#90FCDB, and Hex
#2A9675 is the 20% darker color. If the color is saturated by 10%, you get
#57CEA9. If the color is desaturated by 10%, the color
#63C4A7 is obtained.