Here is a compilation of Humbrol and Tamiya paints
to match (most) RLM, French, Italian, RAF and US WW2 colours
updated 30 June 10 : RLM colour chart.xls
20 May 2011 Here is a chart of RLM colour chips (from Merrick) with
10 common hobbby paints and their claimed matches (Testors MM enamel and acryl, Humbrol, Tamiya, Vallejo Air and Color, WEM, Lifecolor,
Polly Scale and JPS) from the above Excel suggestions : RLM comparison chart1.jpg
and RLM comparison chart2.jpg