The hex color #34dfcd is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#CB2032. The grayscale version is
#A0A0A0. A 20% lighter version of the original color is
#67FFFF, and Hex
#01AC9A is the 20% darker color. If the color is saturated by 10%, you get
#29E5D2. If the color is desaturated by 10%, the color
#3FD9C9 is obtained.