Hex #5baa31 or rgb(91,170,49) in RGB space is the tint of grass green. It has hue angle of 99.17 degrees, value = 67 and saturation = 71. #5baa31 can be obtained by mixing 3 colors: 5 drops of yellow, 4 drops of blue, 5 drops of green.
Nearest safe hex - #669933. Below you can see the block with #5baa31 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5baa31 to the mixer and play with it.