http://oca-student.com/sites/default/files/key_resources/Basic_colour_theory_photog.pdf
The additional reading supports the information in the course folder. Having already read The Essential Colour Manual for Photographers by Chris Rutter the content was largely familiar; however additional points I noted are:
- Colour works on three levels: visual, expressive (emotional), and symbolic (cultural)
- Yellow is strong against violet and blue
- Blue has a transparency that contrasts against Red's opacity
- Blue suggests a withdrawn and reflective mood (visually it recedes)
- Red advances in the frame - it is dense and solid
- Orange radiates: but has neutral warmth when lighter (beige) or darker (brown)
- Violet is difficult to capture accurately (I know this from experience!) and creates an impression of mystery and immensity
- Green is the most visible colour to the human eye
- Interference colours - e.g. oil slicks, soap bubbles, pearl
- Complete colour balance requires appropriate proportions (see course materials pg 113)
- Red: Green - 1:1 (red and green have the same luminosity)
- Blue: Orange - 2:1 (orange is twice as luminous as blue)
- Yellow: Violet - 1:3 (brightest and darkest of hues)
- Pure hues fight for attention - use 3 together - 4 would be unbalanced
- Groups of pure colours make easy grabbing shots
- Coolness/Warmth; Wetness/Dryness; e.g. blue-green/orange-red
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