The hex color #279c8c is a dark color. The web-safe version is Hex
#339999. A complementary color is
#D86373. The grayscale version is
#707070. A 20% lighter version of the original color is
#5ACFBF, and Hex
#006959 is the 20% darker color. If the color is saturated by 10%, you get
#20A08F. If the color is desaturated by 10%, the color
#2E9889 is obtained.