The hex color #2b9e9c is a dark color. The web-safe version is Hex
#339999. A complementary color is
#D46163. The grayscale version is
#777777. A 20% lighter version of the original color is
#5ED1CF, and Hex
#006B69 is the 20% darker color. If the color is saturated by 10%, you get
#23A2A0. If the color is desaturated by 10%, the color
#339A98 is obtained.