Hex #55b944 or rgb(85,185,68) in RGB space is the tint of grass green. It has hue angle of 111.28 degrees, value = 73 and saturation = 63. #55b944 can be obtained by mixing 4 colors: 5 drops of yellow, 3 drops of blue, 2 drops of cyan, 5 drops of green.
Nearest safe hex - #66cc33. Below you can see the block with #55b944 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b944 to the mixer and play with it.