Hex #55b7a3 or rgb(85,183,163) in RGB space is the tint of greenish cian. It has hue angle of 167.76 degrees, value = 72 and saturation = 54. #55b7a3 can be obtained by mixing 4 colors: 3 drops of yellow, 4 drops of blue, 4 drops of cyan, 1 drop of white.
Nearest safe hex - #66cc99. Below you can see the block with #55b7a3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b7a3 to the mixer and play with it.