The hex color #56f7b4 is a light color. The web-safe version is Hex
#66FFCC. A complementary color is
#A9084B. The grayscale version is
#ABABAB. A 20% lighter version of the original color is
#89FFE7, and Hex
#23C481 is the 20% darker color. If the color is saturated by 10%, you get
#4EFFB5. If the color is desaturated by 10%, the color
#5FEFB3 is obtained.