Hex #625b4e or rgb(98,91,78) in RGB space is the tint of khaki. It has hue angle of 39.00 degrees, value = 38 and saturation = 20. #625b4e can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of red, 4 drops of cyan, 4 drops of black.
Nearest safe hex - #666666. Below you can see the block with #625b4e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #625b4e to the mixer and play with it.