The hex color #0efacf is a light color. The web-safe version is Hex
#00FFCC. A complementary color is
#F10530. The grayscale version is
#9D9D9D. A 20% lighter version of the original color is
#41FFFF, and Hex
#00C79C is the 20% darker color. If the color is saturated by 10%, you get
#00FFD4. If the color is desaturated by 10%, the color
#1CF1CA is obtained.