Hex #55c6d9 or rgb(85,198,217) in RGB space is the tint of bluish cian. It has hue angle of 188.64 degrees, value = 85 and saturation = 61. #55c6d9 can be obtained by mixing 4 colors: 1 drop of blue, 4 drops of cyan, 3 drops of white, 1 drop of black.
Nearest safe hex - #66cccc. Below you can see the block with #55c6d9 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55c6d9 to the mixer and play with it.