 Urban's Colour Reference Charts
n by
Martin Waligorski
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Real colours and
scale effect
Federal Standard codes given in the charts refer most often to the shade of the
original colour. Original colour shades used on a small scale model will make it appear to
dark, and have too much contrast. This phenomenon is commonly known as scale effect on
colour.
To avoid this, the shades should be lightened by mixing in a certain amount of white.
Ian Huntley, a well-recognised authority within aero colours, arrived at the following
guidelines (published in Scale Aircraft Modelling vol 5 nr 10):
| Scale |
Add % of white |
| 1/32 |
7% |
| 1/48 |
10% |
| 1/72 |
15% |
| 1/144 |
23% |
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