Hex #5bbf49 or rgb(91,191,73) in RGB space is the tint of grass green. It has hue angle of 110.85 degrees, value = 75 and saturation = 62. #5bbf49 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of cyan, 3 drops of green, 2 drops of black.
Nearest safe hex - #66cc33. Below you can see the block with #5bbf49 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bbf49 to the mixer and play with it.