Hex #55c4d9 or rgb(85,196,217) in RGB space is the tint of bluish cian. It has hue angle of 189.55 degrees, value = 85 and saturation = 61. #55c4d9 can be obtained by mixing 4 colors: 1 drop of red, 1 drop of blue, 5 drops of cyan, 2 drops of white.
Nearest safe hex - #66cccc. Below you can see the block with #55c4d9 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55c4d9 to the mixer and play with it.