The hex color #2b9d79 is a dark color. The web-safe version is Hex
#339966. A complementary color is
#D46286. The grayscale version is
#6B6B6B. A 20% lighter version of the original color is
#5ED0AC, and Hex
#006A46 is the 20% darker color. If the color is saturated by 10%, you get
#25A27A. If the color is desaturated by 10%, the color
#319878 is obtained.