Hex #55804f or rgb(85,128,79) in RGB space is the tint of green. It has hue angle of 112.65 degrees, value = 50 and saturation = 38. #55804f can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of green, 4 drops of white, 5 drops of black.
Nearest safe hex - #669966. Below you can see the block with #55804f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55804f to the mixer and play with it.