Hex #55a55b or rgb(85,165,91) in RGB space is the tint of green. It has hue angle of 124.50 degrees, value = 65 and saturation = 48. #55a55b can be obtained by mixing 4 colors: 3 drops of yellow, 5 drops of blue, 5 drops of green, 2 drops of white.
Nearest safe hex - #669966. Below you can see the block with #55a55b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a55b to the mixer and play with it.