The hex color #2dd6df is a light color. The web-safe version is Hex
#33CCCC. A complementary color is
#D22920. The grayscale version is
#A1A1A1. A 20% lighter version of the original color is
#60FFFF, and Hex
#00A3AC is the 20% darker color. If the color is saturated by 10%, you get
#21DBE5. If the color is desaturated by 10%, the color
#39D1D9 is obtained.