The hex color #56efcc is a light color. The web-safe version is Hex
#66FFCC. A complementary color is
#A91033. The grayscale version is
#B0B0B0. A 20% lighter version of the original color is
#89FFFF, and Hex
#23BC99 is the 20% darker color. If the color is saturated by 10%, you get
#4DF5CF. If the color is desaturated by 10%, the color
#5FE9C9 is obtained.