The hex color #37d89c is a light color. The web-safe version is Hex
#33CC99. A complementary color is
#C82763. The grayscale version is
#8E8E8E. A 20% lighter version of the original color is
#6AFFCF, and Hex
#04A569 is the 20% darker color. If the color is saturated by 10%, you get
#2EDF9D. If the color is desaturated by 10%, the color
#40D19B is obtained.