Hex #80b9bf or rgb(128,185,191) in RGB space is the tint of cyan. It has hue angle of 185.71 degrees, value = 75 and saturation = 33. #80b9bf can be obtained by mixing 4 colors: 1 drop of red, 3 drops of cyan, 3 drops of white, 1 drop of black.
Nearest safe hex - #99cccc. Below you can see the block with #80b9bf color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #80b9bf to the mixer and play with it.