Hex #99ab33 or rgb(153,171,51) in RGB space is the tint of lime. It has hue angle of 69.00 degrees, value = 67 and saturation = 70. #99ab33 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of red, 2 drops of green, 1 drop of white.
Nearest safe hex - #999933. Below you can see the block with #99ab33 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99ab33 to the mixer and play with it.