The hex color #3fd2ec is a light color. The web-safe version is Hex
#33CCFF. A complementary color is
#C02D13. The grayscale version is
#AAAAAA. A 20% lighter version of the original color is
#72FFFF, and Hex
#0C9FB9 is the 20% darker color. If the color is saturated by 10%, you get
#34D6F3. If the color is desaturated by 10%, the color
#4ACEE5 is obtained.