Hex #178d5d or rgb(23,141,93) in RGB space is the tint of teal. It has hue angle of 155.59 degrees, value = 55 and saturation = 84. #178d5d can be obtained by mixing 4 colors: 1 drop of yellow, 4 drops of cyan, 2 drops of green, 4 drops of black.
Nearest safe hex - #009966. Below you can see the block with #178d5d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #178d5d to the mixer and play with it.