Hex #898f00 or rgb(137,143,0) in RGB space is the tint of yellow. It has hue angle of 62.52 degrees, value = 56 and saturation = 100. #898f00 can be obtained by mixing 4 colors: 4 drops of yellow, 3 drops of red, 5 drops of green, 1 drop of black.
Nearest safe hex - #999900. Below you can see the block with #898f00 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #898f00 to the mixer and play with it.