Hex #55d0b8 or rgb(85,208,184) in RGB space is the tint of greenish cian. It has hue angle of 168.29 degrees, value = 82 and saturation = 59. #55d0b8 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of cyan, 3 drops of green, 3 drops of white.
Nearest safe hex - #66cccc. Below you can see the block with #55d0b8 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55d0b8 to the mixer and play with it.