Incognito - AKA #8 - is a light / medium brown color (the middle swatch above shows the color best). It's a lightness step above #4 and with more gold in it. #8 is deeper and less golden than #10.

The two photos above show (left to right) 2, 4, 6 and 8 in the sunlight (first photo) and relative shade (2nd photo)

Above is a photo taken outside of (left to right) 8, 10 and 12.