Hex #006b68 or rgb(0,107,104) in RGB space is the tint of cyan. It has hue angle of 178.32 degrees, value = 42 and saturation = 100. #006b68 can be obtained by mixing 4 colors: 1 drop of blue, 3 drops of cyan, 1 drop of green, 4 drops of black.
Nearest safe hex - #006666. Below you can see the block with #006b68 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #006b68 to the mixer and play with it.