Hex #006b4d or rgb(0,107,77) in RGB space is the tint of greenish cian. It has hue angle of 163.18 degrees, value = 42 and saturation = 100. #006b4d can be obtained by mixing 3 colors: 3 drops of cyan, 2 drops of green, 5 drops of black.
Nearest safe hex - #006666. Below you can see the block with #006b4d color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #006b4d to the mixer and play with it.