Hex #5b9931 or rgb(91,153,49) in RGB space is the tint of olive. It has hue angle of 95.77 degrees, value = 60 and saturation = 68. #5b9931 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 4 drops of blue, 5 drops of green.
Nearest safe hex - #669933. Below you can see the block with #5b9931 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b9931 to the mixer and play with it.