Hex #666256 or rgb(102,98,86) in RGB space is the tint of khaki. It has hue angle of 45.00 degrees, value = 40 and saturation = 16. #666256 can be obtained by mixing 3 colors: 4 drops of magenta, 1 drop of blue, 5 drops of green.
Nearest safe hex - #666666. Below you can see the block with #666256 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #666256 to the mixer and play with it.