Hex #494e00 or rgb(73,78,0) in RGB space is the tint of yellow. It has hue angle of 63.85 degrees, value = 31 and saturation = 100. #494e00 can be obtained by mixing 3 colors: 2 drops of red, 3 drops of green, 2 drops of black.
Nearest safe hex - #336600. Below you can see the block with #494e00 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #494e00 to the mixer and play with it.