The hex color #039f7f is a dark color. The web-safe version is Hex
#009966. A complementary color is
#FC6080. The grayscale version is
#606060. A 20% lighter version of the original color is
#36D2B2, and Hex
#006C4C is the 20% darker color. If the color is saturated by 10%, you get
#00A582. If the color is desaturated by 10%, the color
#0C997C is obtained.