The hex color #3cf7d5 is a light color. The web-safe version is Hex
#33FFCC. A complementary color is
#C3082A. The grayscale version is
#ADADAD. A 20% lighter version of the original color is
#6FFFFF, and Hex
#09C4A2 is the 20% darker color. If the color is saturated by 10%, you get
#31FED9. If the color is desaturated by 10%, the color
#47F0D1 is obtained.