Hex #898648 or rgb(137,134,72) in RGB space is the tint of yellow. It has hue angle of 57.23 degrees, value = 54 and saturation = 47. #898648 can be obtained by mixing 4 colors: 4 drops of red, 1 drop of blue, 5 drops of green, 3 drops of white.
Nearest safe hex - #999933. Below you can see the block with #898648 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #898648 to the mixer and play with it.