Hex #55af72 or rgb(85,175,114) in RGB space is the tint of bluish green. It has hue angle of 139.33 degrees, value = 69 and saturation = 51. #55af72 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of blue, 2 drops of cyan, 1 drop of green.
Nearest safe hex - #669966. Below you can see the block with #55af72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55af72 to the mixer and play with it.