Hex #66ad91 or rgb(102,173,145) in RGB space is the tint of teal. It has hue angle of 156.34 degrees, value = 68 and saturation = 41. #66ad91 can be obtained by mixing 4 colors: 2 drops of yellow, 2 drops of red, 1 drop of blue, 5 drops of cyan.
Nearest safe hex - #669999. Below you can see the block with #66ad91 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #66ad91 to the mixer and play with it.