The hex color #a4eec4 is a light color. The web-safe version is Hex
#99FFCC. A complementary color is
#5B113B. The grayscale version is
#C7C7C7. A 20% lighter version of the original color is
#D7FFF7, and Hex
#71BB91 is the 20% darker color. If the color is saturated by 10%, you get
#A0F2C4. If the color is desaturated by 10%, the color
#A8EAC4 is obtained.