The hex color #34a89f is a light color. The web-safe version is Hex
#339999. A complementary color is
#CB5760. The grayscale version is
#7E7E7E. A 20% lighter version of the original color is
#67DBD2, and Hex
#01756C is the 20% darker color. If the color is saturated by 10%, you get
#2DACA2. If the color is desaturated by 10%, the color
#3BA49C is obtained.