The hex color #4eeef3 is a light color. The web-safe version is Hex
#66FFFF. A complementary color is
#B1110C. The grayscale version is
#BABABA. A 20% lighter version of the original color is
#81FFFF, and Hex
#1BBBC0 is the 20% darker color. If the color is saturated by 10%, you get
#43F3F9. If the color is desaturated by 10%, the color
#59E9ED is obtained.