Hex #55b32b or rgb(85,179,43) in RGB space is the tint of grass green. It has hue angle of 101.47 degrees, value = 70 and saturation = 76. #55b32b can be obtained by mixing 4 colors: 2 drops of yellow, 1 drop of cyan, 2 drops of green, 1 drop of black.
Nearest safe hex - #66cc33. Below you can see the block with #55b32b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #55b32b to the mixer and play with it.