The hex color #4dd5db is a light color. The web-safe version is Hex
#66CCCC. A complementary color is
#B22A24. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#80FFFF, and Hex
#1AA2A8 is the 20% darker color. If the color is saturated by 10%, you get
#44D9E0. If the color is desaturated by 10%, the color
#56D1D6 is obtained.