Hex #625f4f or rgb(98,95,79) in RGB space is the tint of khaki. It has hue angle of 50.53 degrees, value = 38 and saturation = 19. #625f4f can be obtained by mixing 4 colors: 3 drops of magenta, 4 drops of green, 2 drops of white, 4 drops of black.
Nearest safe hex - #666666. Below you can see the block with #625f4f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #625f4f to the mixer and play with it.