Hex #789e3c or rgb(120,158,60) in RGB space is the tint of olive. It has hue angle of 83.27 degrees, value = 62 and saturation = 62. #789e3c can be obtained by mixing 4 colors: 4 drops of yellow, 4 drops of green, 4 drops of white, 5 drops of black.
Nearest safe hex - #669933. Below you can see the block with #789e3c color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #789e3c to the mixer and play with it.