Hex #99b2b3 or rgb(153,178,179) in RGB space is the tint of cyan. It has hue angle of 182.31 degrees, value = 70 and saturation = 15. #99b2b3 can be obtained by mixing 4 colors: 1 drop of magenta, 2 drops of blue, 2 drops of green, 5 drops of white.
Nearest safe hex - #9999cc. Below you can see the block with #99b2b3 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99b2b3 to the mixer and play with it.