Hex #55b69c or rgb(85,182,156) in RGB space is the tint of greenish cian. It has hue angle of 163.92 degrees, value = 71 and saturation = 53. #55b69c can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of cyan, 2 drops of green, 1 drop of white.
Nearest safe hex - #66cc99. Below you can see the block with #55b69c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b69c to the mixer and play with it.