Hex #55a555 or rgb(85,165,85) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 65 and saturation = 48. #55a555 can be obtained by mixing 3 colors: 4 drops of green, 3 drops of white, 2 drops of black.
Nearest safe hex - #669966. Below you can see the block with #55a555 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a555 to the mixer and play with it.