The hex color #4fbdfe is a light color. The web-safe version is Hex
#66CCFF. A complementary color is
#B04201. The grayscale version is
#AEAEAE. A 20% lighter version of the original color is
#82F0FF, and Hex
#1C8ACB is the 20% darker color. If the color is saturated by 10%, you get
#46BFFF. If the color is desaturated by 10%, the color
#59BCF6 is obtained.