The hex color #04bfcc is a light color. The web-safe version is Hex
#00CCCC. A complementary color is
#FB4033. The grayscale version is
#858585. A 20% lighter version of the original color is
#37F2FF, and Hex
#008C99 is the 20% darker color. If the color is saturated by 10%, you get
#00C5D3. If the color is desaturated by 10%, the color
#11B9C5 is obtained.