Hex #5bab43 or rgb(91,171,67) in RGB space is the tint of grass green. It has hue angle of 106.15 degrees, value = 67 and saturation = 61. #5bab43 can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of blue, 5 drops of green, 1 drop of white.
Nearest safe hex - #669933. Below you can see the block with #5bab43 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bab43 to the mixer and play with it.