Hex #55cacc or rgb(85,202,204) in RGB space is the tint of cyan. It has hue angle of 181.01 degrees, value = 80 and saturation = 58. #55cacc can be obtained by mixing 4 colors: 3 drops of blue, 5 drops of cyan, 2 drops of green, 5 drops of white.
Nearest safe hex - #66cccc. Below you can see the block with #55cacc color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55cacc to the mixer and play with it.