Hex #55c9d5 or rgb(85,201,213) in RGB space is the tint of cyan. It has hue angle of 185.63 degrees, value = 84 and saturation = 60. #55c9d5 can be obtained by mixing 3 colors: 1 drop of red, 4 drops of cyan, 1 drop of white.
Nearest safe hex - #66cccc. Below you can see the block with #55c9d5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55c9d5 to the mixer and play with it.