Hex #6a8a40 or rgb(106,138,64) in RGB space is the tint of olive. It has hue angle of 85.95 degrees, value = 54 and saturation = 54. #6a8a40 can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of red, 3 drops of cyan, 4 drops of black.
Nearest safe hex - #669933. Below you can see the block with #6a8a40 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #6a8a40 to the mixer and play with it.