Hex #66bd99 or rgb(102,189,153) in RGB space is the tint of teal. It has hue angle of 155.17 degrees, value = 74 and saturation = 46. #66bd99 can be obtained by mixing 4 colors: 3 drops of yellow, 3 drops of blue, 3 drops of cyan, 1 drop of white.
Nearest safe hex - #66cc99. Below you can see the block with #66bd99 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66bd99 to the mixer and play with it.