Hex #89923b or rgb(137,146,59) in RGB space is the tint of yellow. It has hue angle of 66.21 degrees, value = 57 and saturation = 60. #89923b can be obtained by mixing 4 colors: 4 drops of yellow, 1 drop of green, 3 drops of white, 5 drops of black.
Nearest safe hex - #999933. Below you can see the block with #89923b color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #89923b to the mixer and play with it.