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colour constancy

Colour Notes 3: Colour temperature and constancy

“A human observer is able to recognise the colour of objects irrespective of the light used to illuminate the objects.” “Colour constancy does not exist in humans.” Which is right?

May 3, 2022 General, Life, Macs, Painting, Technology

Colour and computers for the non-pro: 3

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Colour calibration is important, particularly for displays. Instruments to do this can be costly, but even a more basic method is a big help.

July 14, 2016 General, Macs, Painting, Technology

Colour and computers for the non-pro: 2

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This explains how OS X renders an image for output, to the display, printer, etc., and what rendering intent is.

July 12, 2016 General, Macs, Painting, Technology

Colour and computers for the non-pro: 1

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Explaining colour management for the non-pro user. Why do you need it?

July 11, 2016 General, Macs, Painting, Technology

Colour calibrated displays and ambient light

Should all displays use Apple’s True Tone automatic white balance adjustment?

May 16, 2016 General, Macs, Painting, Technology

From pigment to painting: 4 Hue, I can sing a Rainbow

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Although lightness and chroma can usually be approached successfully using methodical approaches, long experience has shown that hue is much more hit or miss. Developing a good ‘eye’ for colours is generally much more important.

March 18, 2015 Painting

From pigment to painting: 2 Let there be lightness, hue, and chroma

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What do we actually perceive of colour?

March 10, 2015 Painting

From pigment to painting: 1 Why we treat colour the wrong way

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If we are to understand colour in painting, to comprehend how to apply pigment to depict what we see, we first need to understand our perception of colour.

March 6, 2015 Painting
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