The hex color #0deddf is a light color. The web-safe version is Hex
#00FFCC. A complementary color is
#F21220. The grayscale version is
#9E9E9E. A 20% lighter version of the original color is
#40FFFF, and Hex
#00BAAC is the 20% darker color. If the color is saturated by 10%, you get
#00F5E6. If the color is desaturated by 10%, the color
#1BE5D8 is obtained.