Hex #00a9b6 or rgb(0,169,182) in RGB space is the tint of cyan. It has hue angle of 184.29 degrees, value = 71 and saturation = 100. #00a9b6 can be obtained by mixing 2 colors: 5 drops of cyan, 2 drops of black.
Nearest safe hex - #0099cc. Below you can see the block with #00a9b6 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #00a9b6 to the mixer and play with it.