The hex color #68b19e is a light color. The web-safe version is Hex
#669999. A complementary color is
#974E61. The grayscale version is
#929292. A 20% lighter version of the original color is
#9BE4D1, and Hex
#357E6B is the 20% darker color. If the color is saturated by 10%, you get
#64B49F. If the color is desaturated by 10%, the color
#6CAE9D is obtained.