The hex color #56bcc0 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#A9433F. The grayscale version is
#9B9B9B. A 20% lighter version of the original color is
#89EFF3, and Hex
#23898D is the 20% darker color. If the color is saturated by 10%, you get
#4FBFC4. If the color is desaturated by 10%, the color
#5DB9BC is obtained.