Hex #6a8a39 or rgb(106,138,57) in RGB space is the tint of olive. It has hue angle of 83.70 degrees, value = 54 and saturation = 59. #6a8a39 can be obtained by mixing 4 colors: 5 drops of yellow, 4 drops of blue, 1 drop of green, 2 drops of black.
Nearest safe hex - #669933. Below you can see the block with #6a8a39 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a8a39 to the mixer and play with it.