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
30
June 10 Here is a chart of RLM colour chips (from Merrick) with Testors, Humbrol, Tamiya and JPS
best matches from the above Excel suggestions : RLM comparison chart.jpg