Hex #55bb72 or rgb(85,187,114) in RGB space is the tint of bluish green. It has hue angle of 137.06 degrees, value = 73 and saturation = 55. #55bb72 can be obtained by mixing 3 colors: 1 drop of blue, 3 drops of green, 2 drops of white.
Nearest safe hex - #66cc66. Below you can see the block with #55bb72 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55bb72 to the mixer and play with it.