Hex #55e7c6 or rgb(85,231,198) in RGB space is the tint of greenish cian. It has hue angle of 166.44 degrees, value = 91 and saturation = 63. #55e7c6 can be obtained by mixing 3 colors: 4 drops of cyan, 2 drops of green, 3 drops of white.
Nearest safe hex - #66ffcc. Below you can see the block with #55e7c6 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55e7c6 to the mixer and play with it.