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lightness

Colour Notes 4: Under no illusions

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A journey through some visual illusions show how a simple physical concept of human colour vision doesn’t work. It’s all about perception, not physics.

May 10, 2022 General, Macs, Painting, Technology

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

From pigment to painting: 3 Lightness, 50 shades of grey

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Lightness is key to the depiction of materials, textures, edges, and form. Illusions can confound the viewer, and it is vital to map the lightness of your motif to that of your painting.

March 12, 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
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