Hex #55c59c or rgb(85,197,156) in RGB space is the tint of greenish cian. It has hue angle of 158.04 degrees, value = 77 and saturation = 57. #55c59c can be obtained by mixing 4 colors: 1 drop of blue, 1 drop of cyan, 2 drops of green, 2 drops of white.
Nearest safe hex - #66cc99. Below you can see the block with #55c59c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55c59c to the mixer and play with it.