Hex #5d631f or rgb(93,99,31) in RGB space is the tint of yellow. It has hue angle of 65.29 degrees, value = 39 and saturation = 69. #5d631f can be obtained by mixing 3 colors: 4 drops of yellow, 2 drops of blue, 5 drops of black.
Nearest safe hex - #666633. Below you can see the block with #5d631f color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #5d631f to the mixer and play with it.