The hex color #03a37f is a dark color. The web-safe version is Hex
#009966. A complementary color is
#FC5C80. The grayscale version is
#626262. A 20% lighter version of the original color is
#36D6B2, and Hex
#00704C is the 20% darker color. If the color is saturated by 10%, you get
#00AA82. If the color is desaturated by 10%, the color
#0C9C7C is obtained.