Hex #55a84e or rgb(85,168,78) in RGB space is the tint of green. It has hue angle of 115.33 degrees, value = 66 and saturation = 54. #55a84e can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of blue, 1 drop of cyan, 3 drops of green.
Nearest safe hex - #669966. Below you can see the block with #55a84e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a84e to the mixer and play with it.