Hex #99db99 or rgb(153,219,153) in RGB space is the tint of green. It has hue angle of 120.00 degrees, value = 86 and saturation = 30. #99db99 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of cyan, 3 drops of white, 1 drop of black.
Nearest safe hex - #99cc99. Below you can see the block with #99db99 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99db99 to the mixer and play with it.