Hex #4dbf33 or rgb(77,191,51) in RGB space is the tint of grass green. It has hue angle of 108.86 degrees, value = 75 and saturation = 73. #4dbf33 can be obtained by mixing 4 colors: 3 drops of yellow, 2 drops of cyan, 4 drops of green, 1 drop of black.
Nearest safe hex - #66cc33. Below you can see the block with #4dbf33 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #4dbf33 to the mixer and play with it.