Hex #624600 or rgb(98,70,0) in RGB space is the tint of khaki. It has hue angle of 42.86 degrees, value = 38 and saturation = 100. #624600 can be obtained by mixing 3 colors: 5 drops of red, 5 drops of green, 3 drops of black.
Nearest safe hex - #663300. Below you can see the block with #624600 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #624600 to the mixer and play with it.