The hex color #4DCDC2 is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#B2323D. The grayscale version is
#9F9F9F. A 20% lighter version of the original color is
#80FFF5, and Hex
#1A9A8F is the 20% darker color. If the color is saturated by 10%, you get
#45D2C6. If the color is desaturated by 10%, the color
#55C8BE is obtained.