The hex color #76f5ef is a light color. The web-safe version is Hex
#66FFFF. A complementary color is
#890A10. The grayscale version is
#C9C9C9. A 20% lighter version of the original color is
#A9FFFF, and Hex
#43C2BC is the 20% darker color. If the color is saturated by 10%, you get
#6EF9F3. If the color is desaturated by 10%, the color
#7EF1EB is obtained.