Pigma makes a number of colors. I use black for windows while it preserves the frame color. These pens are great for hi-liting hatches, bends and corners other details. The other colors such as red for fire hose wraps, brown for rust etc. Smal enough point for 1/700 builders. Any number of molded on detail can be hi-lited by these pens.
I never investigated the full range of colors they offer.

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Basic question, I am afraid; what colour do you recommend using to paint the bridge windows on 1/700 aircraft carrier models.
Many thanks.
Mark