Hex #55a74a or rgb(85,167,74) in RGB space is the tint of green. It has hue angle of 112.90 degrees, value = 65 and saturation = 56. #55a74a can be obtained by mixing 4 colors: 5 drops of yellow, 5 drops of blue, 1 drop of cyan, 4 drops of green.
Nearest safe hex - #669933. Below you can see the block with #55a74a color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55a74a to the mixer and play with it.