Hi Drew. This isn't the first time that colours have been mentioned! It got me thinking (unusual for me I know!) about what factors might affect the colour of an object. I was surprised at the length of my list, and it wouldn't surprise me in the slightest if some of the guys found others.
Anyway, this is what I thought of:
Colour variation
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Manufacture
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Quality, availability & proportions of ingredients.
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Use of local/natural pigments. Different manufacturers.
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Mixing procedures.
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Equipment used.
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Application
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Where work is done.
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Factory/local depot/in the field.
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Skills/dedication of workforce.
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Trained/untrained. Forced labour.
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Quality of mixing/application
technique.
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Proportions. Hand/spray paint. Coverage.
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Quality & availability of locally sourced ingredients.
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Dilutants. Additives.
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Quality of surface.
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Rust/corrosion. Clean/dirty.
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Type of surface.
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Smooth/rough. Absorbant. Solid/flexible.
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Original surface colour.
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Dark/light shading effects.
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Finish effects.
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Matt/gloss. Varnish/polish added.
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Use
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Amount of use.
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Frequent/seldom.
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Type of use.
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In action/HQ/storage depot.
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Replacements used.
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New panels.
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Type of weather.
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Hot/dry. Cold/wet.
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Degree of exposure.
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Under cover/in the open.
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Length of exposure
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Days/weeks/months.
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Physical/chemical effects
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Wear and tear.
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Normal daily use.
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Heavy use areas.
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Walkways. Hatches.
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Bleaching
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Exposure to sunlight.
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Exposure to chemicals.
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Salt. Exhaust gases.
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Staining from other substances.
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Mud/grass. Exhaust gases. Fuels.
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Perception
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Type of light.
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Direct/indirect sun.
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Amount of light.
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Bright/dim.
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Background.
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Glare/shading. Reflections.
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Weather.
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Rain, mist or dust in the air.
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Size.
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‘Scale effect.’
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Distance.
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Colour intensity fades with distance.
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To be honest, I'm not that fussed as long as the thing looks about right to my eyes.
Gern