The hex color #a3e4c8 is a light color. The web-safe version is Hex
#99CCCC. A complementary color is
#5C1B37. The grayscale version is
#C5C5C5. A 20% lighter version of the original color is
#D6FFFB, and Hex
#70B195 is the 20% darker color. If the color is saturated by 10%, you get
#A0E7C8. If the color is desaturated by 10%, the color
#A6E1C8 is obtained.