The hex color #03e5cb is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#FC1A34. The grayscale version is
#919191. A 20% lighter version of the original color is
#36FFFE, and Hex
#00B298 is the 20% darker color. If the color is saturated by 10%, you get
#00EDD1. If the color is desaturated by 10%, the color
#11DDC5 is obtained.