Hex #559517 or rgb(85,149,23) in RGB space is the tint of olive. It has hue angle of 90.48 degrees, value = 58 and saturation = 85. #559517 can be obtained by mixing 4 colors: 5 drops of yellow, 2 drops of blue, 5 drops of green, 3 drops of black.
Nearest safe hex - #669900. Below you can see the block with #559517 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #559517 to the mixer and play with it.