The hex color #a4f6eb is a light color. The web-safe version is Hex
#99FFFF. A complementary color is
#5B0914. The grayscale version is
#D7D7D7. A 20% lighter version of the original color is
#D7FFFF, and Hex
#71C3B8 is the 20% darker color. If the color is saturated by 10%, you get
#9FF9ED. If the color is desaturated by 10%, the color
#A9F3E9 is obtained.