Hex #66c6c7 or rgb(102,198,199) in RGB space is the tint of cyan. It has hue angle of 180.62 degrees, value = 78 and saturation = 49. #66c6c7 can be obtained by mixing 4 colors: 2 drops of yellow, 4 drops of blue, 5 drops of cyan, 4 drops of white.
Nearest safe hex - #66cccc. Below you can see the block with #66c6c7 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66c6c7 to the mixer and play with it.