The hex color #0feddf is a light color. The web-safe version is Hex
#00FFCC. A complementary color is
#F01220. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#42FFFF, and Hex
#00BAAC is the 20% darker color. If the color is saturated by 10%, you get
#01F5E5. If the color is desaturated by 10%, the color
#1DE5D9 is obtained.