Hex #66c199 or rgb(102,193,153) in RGB space is the tint of teal. It has hue angle of 153.63 degrees, value = 76 and saturation = 47. #66c199 can be obtained by mixing 4 colors: 1 drop of yellow, 2 drops of cyan, 1 drop of white, 1 drop of black.
Nearest safe hex - #66cc99. Below you can see the block with #66c199 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66c199 to the mixer and play with it.