Just to add some more fuel to the color fire, here is an excerpt from
the December 1969 Issue of Scale Models Magazine. I do not have
the ability to cross reference the Methuen #s to anything more
useful - sorry.
4 Color Pattern
Top Surface Methuen Ref. Munsell Ref.
=============== =============== ===========================
Dull Blue 21D4 6PB/4.9/5.1
Deep Turquiose 24E7-25E7 5B/2.4/4.6-7BG/3.7/4.4
Olive Brown 4D4-5D4 5Y/5.9/2.9-8.5YR/5.5/2.8
Pea Green 29D5-30D5 5GY/5.9/3.1-2GY/5.9/3.1
Bottom Surface Methuen Ref. Munsell Ref.
=============== =============== ===========================
Dull China Blue 23D4 2.5PB/5.1/4.1
Dull Grey Green 26D4 7G/5.4/2.3
Yellow Ocre 4C7-5C7 5Y/6.3/8.4-9YR/6.0/8.3
Greyish Rose 11B5 9RP/6.2/6.7
5 Color Pattern
Top Surface Methuen Ref. Munsell Ref.
=============== =============== ===========================
Violet Between Between
17E5 - 17E6 2.5P/3.6/5.5-2P/3.0/6.8
Honey Yellow 4D6-5D6 5.5Y/5.8/5.6-8.5YR/5.2/5.3
Deep Grey-Green 28D5-28D6 6.5GY/5.7/3.2-7GY/5.6/4.4
Deep Turquoise 24E6-24F6 6B/3.7/3.9-7B/2.9/3.0
Dull Deep Blue 21E6-21E7 5.5PB/3.2/6.4-5PB/2.9/7.6
Bottom Surface Methuen Ref. Munsell Ref.
=============== =============== ===========================
Grey Magenta 14D4-15D4 9.5P/5.1/5.1-5.5P/5.0/5.3
Golden Wheat 4B6-5B6 3.5Y/7.6/7.7-7.5YR/7.3/7.6
Greyish Ruby 12C5-12D5 5.5RP/5.4/5.9-5.5RP/4.6/5.2
Grey Turquoise 24D4-25D4 8.5B/5.3/2.7-1.5B/5.3/1.9
Copenhagen Blue 21D6-22D6 6PB/4.0/7.9-4.5PB/4.3/7.4