Rotring
Royal Blue, Ultramarine Blue, Turquoise, Black, Violet. Pink, red, Brown, Green
I've used the blue as sometimes.
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Royal Blue - okay colour. You can buy really small bottles if you want!
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Seville Red - intense coral, not a true red.
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Brown - range of opinions from a little on the flat look to a nice dark brown with no yellow or red undertones.

