The hex color #3ccff0 is a light color. The web-safe version is Hex
#33CCFF. A complementary color is
#C3300F. The grayscale version is
#A9A9A9. A 20% lighter version of the original color is
#6FFFFF, and Hex
#099CBD is the 20% darker color. If the color is saturated by 10%, you get
#31D3F7. If the color is desaturated by 10%, the color
#47CBE9 is obtained.