This document discusses various color theories and their applications. It begins with an overview of the origins and development of modern color theory starting with Newton's work. It then covers Goethe and Chevreul's influential interpretations and research. The document explains subtractive and additive color theories. It also details the color wheel model including hue, saturation and value. Different color schemes and systems like CMYK, RGB, and Munsell are covered. The document concludes by discussing applications of color theory in areas like art, design, visual displays of information and more.
Theory and principle of colour management application and communication.pptxOUTR, Bhubaneswar
THEORY AND PRINCIPLE OF COLOUR MANAGEMENT, APPLICATION AND COMMUNICATION, The Colour Wheel, The visible light spectrum, Colour Schemes, Relation between Colour and Chemical constitution, Chromophores, Auxochromes, Various causes of colour generation, COLOUR ORDER SYSTEM, The Desert Island Experiment (Judd, 1975), Colour Space, Popular Colour Notation Systems, The Munsell Colour Notation System, Munsell Three Attributes of Colour, Primary Hues: Spectral colours, Munsell Colour Ordering, Munsell Notation, Pantone Matching System (PMS), Natural Colour System (NCS), Advantages of colour order systems, COLOR MIXING, Subtractive Color Mixing, Interaction of Radiation with Matter, The Beer-Lambert law, The Kubelka-Munk function, Effect of Light Source, Color Temperature, Standard Illuminants, Colour Rendering Index, MATHEMATICALLY DEFINED COLOR SPACE, Trichromatic Theory, Maxwell triangle (1850), Spectrum locus of spectral colours, CIE primaries – X, Y, Z, The C.I.E Primaries, Chromaticity Coordinates , CIE 1976 (L* a* b*) colour space or CIELAB, Calculate Chroma, Hue angle and describe the Colour, COLOR DIFFERENCE, Give these colours approximate L* a* b* C* and h0 values, Colour Difference, CIELAB Space colour Differences in L* a* b*, Differences in Rectangular Co-ordinates L* a* b*, CIELAB Space Colour Differences in L* C* h*, CIELAB Space-Tolerances, CIELAB Space-Tolerances, Towards Single Number Shade Passing, JPC79 Equation, CMC, CMC Acceptability Formula.
Theory and principle of colour management application and communication.pptxOUTR, Bhubaneswar
THEORY AND PRINCIPLE OF COLOUR MANAGEMENT, APPLICATION AND COMMUNICATION, The Colour Wheel, The visible light spectrum, Colour Schemes, Relation between Colour and Chemical constitution, Chromophores, Auxochromes, Various causes of colour generation, COLOUR ORDER SYSTEM, The Desert Island Experiment (Judd, 1975), Colour Space, Popular Colour Notation Systems, The Munsell Colour Notation System, Munsell Three Attributes of Colour, Primary Hues: Spectral colours, Munsell Colour Ordering, Munsell Notation, Pantone Matching System (PMS), Natural Colour System (NCS), Advantages of colour order systems, COLOR MIXING, Subtractive Color Mixing, Interaction of Radiation with Matter, The Beer-Lambert law, The Kubelka-Munk function, Effect of Light Source, Color Temperature, Standard Illuminants, Colour Rendering Index, MATHEMATICALLY DEFINED COLOR SPACE, Trichromatic Theory, Maxwell triangle (1850), Spectrum locus of spectral colours, CIE primaries – X, Y, Z, The C.I.E Primaries, Chromaticity Coordinates , CIE 1976 (L* a* b*) colour space or CIELAB, Calculate Chroma, Hue angle and describe the Colour, COLOR DIFFERENCE, Give these colours approximate L* a* b* C* and h0 values, Colour Difference, CIELAB Space colour Differences in L* a* b*, Differences in Rectangular Co-ordinates L* a* b*, CIELAB Space Colour Differences in L* C* h*, CIELAB Space-Tolerances, CIELAB Space-Tolerances, Towards Single Number Shade Passing, JPC79 Equation, CMC, CMC Acceptability Formula.
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2. Scientific & Philosophical Interests &
Origins of Modern Colour Theory
• Isaac Newton
Opticks 1704
(old spelling of Optics)
– Used musical scale to
divide spectrum and
attach names to areas
– Physics (but
theological
implications)
3. Interpretations of Colour
Theory by artists
• Goethe’s Theory of
Colours (1810)
• Built on wavelength
theory of light (after
Newton)
• Methods interesting
• Conclusion refuted
• Influential on artists
• Ex. Turner
• Colour theory weblink
Goethe’s Colour Wheel
4. Research on Colour Theory &
Nomenclature (names) by scientists for
aesthetic ‘products’
• Michel Eugène Chevreul--
Chemist working in Gobelins
carpet factory
• Noticed optical mixing of two
adjacent colours
• De la loi du contrast
simultané des couleurs 1839
• Influential on artists
5. • 19th c. theories of “Simultaneous Contrast” and optical mixing Ex.
Eugène Delacroix Women of Algiers
Complementary Colours in art & design
9. optical effects of
adjacent tonal values
or colours
link to stroboscopic
effects (complementary
colors seen as grey)
http://www.michaelbach.de/ot/m
ot_strob/index.html
10. Colour Theory & Practical
Applications in Design
Part of Pantone color swatch set with samples of color trends
for designers (fall 2008)
www.pantone.com
• Video Clip from The
Devil Wears Prada
11. Types of Colour
Theories
1. Subtractive Theory
• The subtractive, or
pigment theory deals
with how white light is
absorbed and reflected
off of coloured surfaces.
2. Additive Theory
• The Additive, or light
theory deals with
radiated and filtered
light.
12. Subtractive Theory
• Black absorbs most light
• White reflects most light
• Coloured Pigments absorb light and
reflect only the frequency of the pigment
colour.
• All colours other than the pigment
colours are absorbed so this is called
subtractive colour theory.
• The primary colours in Subtractive
Theory are:
– Cyan ( C )
– Magenta ( M )
– Yellow ( Y )
– Black ( K )
• Subtractive or Pigment Theory is used in
printing and painting.
13. Additive Theory
• Black radiates no light
• White (sun) radiates all light
• Video is the process of capturing and
radiating light, therefore it uses Additive
(Light) Theory not Subtractive (Pigment)
Theory.
• The primary colours in Additive Theory
are:
– Red ( R )
– Green ( G )
– Blue ( B )
• The primary colours add together to
make white
• Light Theory is also called Additive
Theory.
• Light Theory is used in Television,
theater lighting, computer monitors, and
video production.
15. The Colour Wheel
If the ends of the spectrum are bent around a
colour wheel is formed:
16. The Colour Wheel
• Colours on the wheel
can be described
using three
parameters:
1. Hue: degrees from 0˚
to 360˚
2. Saturation: brightness
or dullness
3. Value: lightness or
darkness
(As suggested by Henry Albert Munsell
in A Colour Notation, 1905)
17. The Colour Wheel: Hue
• Hue or Spectral
Colour is represented
as an angle.
• Primary Colours:
• 0˚ = Red
• 120˚ = Green
• 240˚ = Blue
• Secondary Colours:
• 60˚ = Yellow
• 180˚ = Cyan
• 300˚ = Magenta
18. The Colour Wheel: Saturation
• Saturation or Chroma is
the intensity of a colour.
• A highly saturated colour
is bright and appears
closer to the edge of the
wheel.
• A more unsaturated
colour is dull.
• A colour with no
saturation is achromatic
or in the grey scale.
19. The Colour Wheel: Value
"the quality by which we
distinguish a light colour
from a dark one."
- Albert Henry Munsell
A Colour Notation 1905
Value represents the luminescent
contrast value between black
and white
24. MANY more scientific models based on different colour theory: (Example:
Colour Tree by American artist Henry Albert Munsell from
A Colour Notation, 1905.)
25. 3D representation of the Munsell color model.
The vertical axis represents value (or
brightness) and ranges from 0 (black) to 10
(white). Distance from the center represents
chroma (or saturation). Values start at 0 (gray)
and go to anywhere from 4 to 30, depending
on how saturated the color can get. The angle
around the middle represents the hue (or
color).
One wedge of the Munsell color model.
Chroma increases horizontally, and value
vertically. Colors with a red border indicate
paint colors that cannot accurately be
reproduced on an rgb monitor (approximated
colors are shown). These diagrams only
extend to a chroma value of 16 despite some
colors extending well beyond this limit.
More Illustrations of the Munsell System
Source: http://ian-albert.com/graphics/munsell.php
27. Using Color--
• blue in large regions, not thin lines
• red and green in the center of the
field of view (edges of retina not
sensitive to these)
• black, white, yellow in periphery
• Color Brewer
• Pantone
29. Colour Schemes: Monochromatic
• Monochromatic:
One Hue many values of
Tint and Shade
Artist: Marc Chagall
Title: Les Amants Sur Le Toit
30. Colour Schemes: Complementary
(note spelling--NOT complimentary)
• Complimentary: Colours
that are opposite on the
wheel. High Contrast
Artist: Paul Cezanne
Title: La Montage Saint Victoire
Year: 1886-88
32. Colour Schemes: Analogous
• Analogous: A selection of
colours that are adjacent.
Minimal contrast
Artist: Vincent van Gogh
Title: The Iris
Year: 1889
33. Colour Schemes: Warm
Warm: First half of the wheel
give warmer colours. The
colours of fire.
Artist: Jan Vermeer
Title: Girl Asleep at a Table
Year: 1657
34. Colour Schemes: Cool
Cool: Second half of the
wheel gives cooler colours
Artist: Pablo Picasso
Title: Femme Allongée Lisant
Year: 1939
35. Colour Schemes:
Achromatic, Chromatic Grays
Achromatic: Black and white
with all the grays in-between.
Chromatic Grays: Also called
neutral relief. Dull colours, low
contrast.
38. Colour Pickers: RGB, CMYK
• RGB
• Red
• Green
• Blue
– Used in Video and
Computer graphics
– 3 Values in % or between
• 0-255
• CMYK
• Cyan
• Magenta
• Yellow
• K = Black
– Used for printing
45. Region Search
Hue boundary identified
pre-attentively
Form variations do NOT
interfere with hue
boundary identification
Form boundary NOT
identified pre-attentively
Hue variations interfere
with form boundary
identification