Hex #5b8b25 or rgb(91,139,37) in RGB space is the tint of olive. It has hue angle of 88.24 degrees, value = 55 and saturation = 73. #5b8b25 can be obtained by mixing 4 colors: 5 drops of yellow, 3 drops of blue, 3 drops of green, 3 drops of black.
Nearest safe hex - #669933. Below you can see the block with #5b8b25 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b8b25 to the mixer and play with it.