Hex #5b7756 or rgb(91,119,86) in RGB space is the tint of grass green. It has hue angle of 110.91 degrees, value = 47 and saturation = 28. #5b7756 can be obtained by mixing 4 colors: 2 drops of yellow, 3 drops of magenta, 4 drops of blue, 5 drops of green.
Nearest safe hex - #666666. Below you can see the block with #5b7756 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b7756 to the mixer and play with it.