Hex #625a3b or rgb(98,90,59) in RGB space is the tint of khaki. It has hue angle of 47.69 degrees, value = 38 and saturation = 40. #625a3b can be obtained by mixing 4 colors: 5 drops of red, 3 drops of blue, 1 drop of cyan, 4 drops of green.
Nearest safe hex - #666633. Below you can see the block with #625a3b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #625a3b to the mixer and play with it.