The hex color #37eecc is a light color. The web-safe version is Hex
#33FFCC. A complementary color is
#C81133. The grayscale version is
#A6A6A6. A 20% lighter version of the original color is
#6AFFFF, and Hex
#04BB99 is the 20% darker color. If the color is saturated by 10%, you get
#2CF5D0. If the color is desaturated by 10%, the color
#42E7C8 is obtained.