The hex color #6fdff0 is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#90200F. The grayscale version is
#BFBFBF. A 20% lighter version of the original color is
#A2FFFF, and Hex
#3CACBD is the 20% darker color. If the color is saturated by 10%, you get
#67E2F5. If the color is desaturated by 10%, the color
#77DCEB is obtained.