The hex color #4feaef is a light color. The web-safe version is Hex
#66FFFF. A complementary color is
#B01510. The grayscale version is
#B8B8B8. A 20% lighter version of the original color is
#82FFFF, and Hex
#1CB7BC is the 20% darker color. If the color is saturated by 10%, you get
#45EFF5. If the color is desaturated by 10%, the color
#5AE5EA is obtained.