Hex #333600 or rgb(51,54,0) in RGB space is the tint of yellow. It has hue angle of 63.33 degrees, value = 21 and saturation = 100. #333600 can be obtained by mixing 3 colors: 2 drops of red, 3 drops of green, 5 drops of black.
Nearest safe hex - #333300. Below you can see the block with #333600 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #333600 to the mixer and play with it.