Hex #448f66 or rgb(68,143,102) in RGB space is the tint of teal. It has hue angle of 147.20 degrees, value = 56 and saturation = 52. #448f66 can be obtained by mixing 4 colors: 3 drops of blue, 5 drops of green, 4 drops of white, 3 drops of black.
Nearest safe hex - #339966. Below you can see the block with #448f66 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #448f66 to the mixer and play with it.