I'm using the stage two LED drom Diode Dynamics.
Below: stock foglight
Below: Stage 2 LED foglight
Below: Comparison of stock(bottom side of photo/passenger side)vs. LED(top side of photo/driver side)
Below: Comparison of stock(left side of photo/passenger side)vs. LED(right side of photo/driver side)
Below: Comparison of stock(left side of photo/passenger side)vs. LED(right side of photo/driver side) This picture shows the difference better then the above photo IMO
I know they aren't a true match to the headlights but from a distance in the dark it's hard to tell a difference in color. I could really only tell a difference in the colors off glass surfaces when I'm facing them or when both lights reflect of someones bumper in front of me. Hope this helps!