Hex #17574e or rgb(23,87,78) in RGB space is the tint of greenish cian. It has hue angle of 171.56 degrees, value = 34 and saturation = 74. #17574e can be obtained by mixing 4 colors: 1 drop of yellow, 5 drops of blue, 2 drops of green, 3 drops of black.
Nearest safe hex - #006666. Below you can see the block with #17574e color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #17574e to the mixer and play with it.