The hex color #68f3b2 is a light color. The web-safe version is Hex
#66FF99. A complementary color is
#970C4D. The grayscale version is
#AFAFAF. A 20% lighter version of the original color is
#9BFFE5, and Hex
#35C07F is the 20% darker color. If the color is saturated by 10%, you get
#61FAB2. If the color is desaturated by 10%, the color
#6FECB2 is obtained.