Hex #55c22f or rgb(85,194,47) in RGB space is the tint of grass green. It has hue angle of 104.49 degrees, value = 76 and saturation = 76. #55c22f can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of blue, 1 drop of cyan, 4 drops of green.
Nearest safe hex - #66cc33. Below you can see the block with #55c22f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55c22f to the mixer and play with it.