The hex color #3DF3DA is a light color. The web-safe version is Hex
#33FFCC. A complementary color is
#C20C25. The grayscale version is
#AEAEAE. A 20% lighter version of the original color is
#70FFFF, and Hex
#0AC0A7 is the 20% darker color. If the color is saturated by 10%, you get
#32FADE. If the color is desaturated by 10%, the color
#48ECD6 is obtained.