The hex color #2FDEE9 is a light color. The web-safe version is Hex
#33CCFF. A complementary color is
#D02116. The grayscale version is
#A7A7A7. A 20% lighter version of the original color is
#62FFFF, and Hex
#00ABB6 is the 20% darker color. If the color is saturated by 10%, you get
#23E3F0. If the color is desaturated by 10%, the color
#3BD9E2 is obtained.