Hex #669160 or rgb(102,145,96) in RGB space is the tint of green. It has hue angle of 112.65 degrees, value = 57 and saturation = 34. #669160 can be obtained by mixing 4 colors: 1 drop of magenta, 5 drops of green, 5 drops of white, 4 drops of black.
Nearest safe hex - #669966. Below you can see the block with #669160 color and its structure: in procentage ratio and in drops of pigments. Click "TRY" button to move #669160 to the mixer and play with it.