The hex color #2e8c8f is a dark color. The web-safe version is Hex
#339999. A complementary color is
#D17370. The grayscale version is
#6E6E6E. A 20% lighter version of the original color is
#61BFC2, and Hex
#00595C is the 20% darker color. If the color is saturated by 10%, you get
#288F92. If the color is desaturated by 10%, the color
#34898C is obtained.