Hex #55b42f or rgb(85,180,47) in RGB space is the tint of grass green. It has hue angle of 102.86 degrees, value = 71 and saturation = 74. #55b42f can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of magenta, 1 drop of cyan, 5 drops of green.
Nearest safe hex - #66cc33. Below you can see the block with #55b42f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b42f to the mixer and play with it.