Hex #5b8c37 or rgb(91,140,55) in RGB space is the tint of olive. It has hue angle of 94.59 degrees, value = 55 and saturation = 61. #5b8c37 can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of green, 3 drops of white, 5 drops of black.
Nearest safe hex - #669933. Below you can see the block with #5b8c37 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5b8c37 to the mixer and play with it.