The hex color #3cf9fc is a light color. The web-safe version is Hex
#33FFFF. A complementary color is
#C30603. The grayscale version is
#BBBBBB. A 20% lighter version of the original color is
#6FFFFF, and Hex
#09C6C9 is the 20% darker color. If the color is saturated by 10%, you get
#2FFFFF. If the color is desaturated by 10%, the color
#49F3F6 is obtained.