Hex #55b972 or rgb(85,185,114) in RGB space is the tint of bluish green. It has hue angle of 137.40 degrees, value = 73 and saturation = 54. #55b972 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of blue, 4 drops of cyan, 2 drops of green.
Nearest safe hex - #66cc66. Below you can see the block with #55b972 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b972 to the mixer and play with it.