Hex #aac000 or rgb(170,192,0) in RGB space is the tint of yellow. It has hue angle of 66.88 degrees, value = 75 and saturation = 100. #aac000 can be obtained by mixing 3 colors: 5 drops of yellow, 1 drop of red, 3 drops of green.
Nearest safe hex - #99cc00. Below you can see the block with #aac000 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #aac000 to the mixer and play with it.