Hex #80cdd5 or rgb(128,205,213) in RGB space is the tint of cyan. It has hue angle of 185.65 degrees, value = 84 and saturation = 40. #80cdd5 can be obtained by mixing 4 colors: 1 drop of red, 5 drops of cyan, 5 drops of white, 1 drop of black.
Nearest safe hex - #99cccc. Below you can see the block with #80cdd5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80cdd5 to the mixer and play with it.