Hex #99bfb3 or rgb(153,191,179) in RGB space is the tint of greenish cian. It has hue angle of 161.05 degrees, value = 75 and saturation = 20. #99bfb3 can be obtained by mixing 4 colors: 2 drops of red, 3 drops of cyan, 1 drop of green, 4 drops of white.
Nearest safe hex - #99cccc. Below you can see the block with #99bfb3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99bfb3 to the mixer and play with it.