Hex #5bae37 or rgb(91,174,55) in RGB space is the tint of grass green. It has hue angle of 101.85 degrees, value = 68 and saturation = 68. #5bae37 can be obtained by mixing 4 colors: 5 drops of yellow, 3 drops of cyan, 3 drops of green, 3 drops of black.
Nearest safe hex - #669933. Below you can see the block with #5bae37 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5bae37 to the mixer and play with it.