The hex color #2efdda is a light color. The web-safe version is Hex
#33FFCC. A complementary color is
#D10225. The grayscale version is
#ACACAC. A 20% lighter version of the original color is
#61FFFF, and Hex
#00CAA7 is the 20% darker color. If the color is saturated by 10%, you get
#21FFDF. If the color is desaturated by 10%, the color
#3BF5D5 is obtained.