Hex #667067 or rgb(102,112,103) in RGB space is the tint of green. It has hue angle of 126.00 degrees, value = 44 and saturation = 9. #667067 can be obtained by mixing 4 colors: 1 drop of yellow, 1 drop of magenta, 2 drops of blue, 1 drop of green.
Nearest safe hex - #666666. Below you can see the block with #667067 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #667067 to the mixer and play with it.