Hex #66d091 or rgb(102,208,145) in RGB space is the tint of teal. It has hue angle of 144.34 degrees, value = 82 and saturation = 51. #66d091 can be obtained by mixing 4 colors: 3 drops of yellow, 1 drop of magenta, 5 drops of cyan, 1 drop of green.
Nearest safe hex - #66cc99. Below you can see the block with #66d091 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66d091 to the mixer and play with it.