Hex #99d5d5 or rgb(153,213,213) in RGB space is the tint of cyan. It has hue angle of 180.00 degrees, value = 84 and saturation = 28. #99d5d5 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of blue, 2 drops of cyan, 5 drops of white.
Nearest safe hex - #99cccc. Below you can see the block with #99d5d5 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #99d5d5 to the mixer and play with it.