2. Sources of colour
• When white light falls on opaque object,
selective absorption occurs. Reflected lights as
the colour of the object.
• Colouration by paints, dyes, stains, etc.
3. Approaches to study colours
• Physiologist- eye receives the sensation of
colour
• Chemist- Chemical prop. of colouring material
• Physicist-colour’s wavelength and intensities
• Psychologist- Effect of colour in users
• Person who works with pigments- Mixture of
colour in different light
5. Hue
• Name of a colour
such as blue,
green, red,
yellow.
• Altered by dying
or semi
transparent
fabrics.
6. Hues and Season
• Summer: Green, Yellow
• Autumn: Orange, Red
• Winter: Purple, Blue
• Spring: Blue , Green
7. Value
• Lightness and darkness of the colour
• Adding white or black to achieve the
respective value.
• For interior- Tint
8. Chroma
• Purity or intensity of colour determined by
how much grey is added to it.
• The value of the colour on a chroma scale
does not change, only the intensity of the
colour varies.
• Hue- Full intensity
10. Pigment Theory
• Coloured lights are additive.
• Colour pigments are subtractive because when
pigments combine their absorption subtract
various colours.
• Mixing pigments can changes the attributes.
• Mixing neighbouring colours- harmonious hues
• Mixing complementary colour- neutral hues
• Tint and Shade changes the value.
• Tone changes the intensity.
11. Psychology Of Colours
• Eyes receives the energy and sent to the
cerebral cortex as nerve impulses.
• Colour is used to make people hungry, positive
or negative attitude, encourage, energy or
calmness, etc.
• Professional colour consultant use colour as a
tool for psychological balance or to drag
attention.
12. Yellow
• Colour of sun and artificial light
• Gives warmth, joy, optimism and cheerfulness.
• Sacred colour and used often in North rooms.
• Modified yellows: Buff, cream, ivory, beige, pale
lime yellow and pale banana yellow.
• Babies tend to cry often in yellow rooms
• For kitchen, dining and bathroom
13. Orange
• Evokes excitement and enthusiasm.
• Warm colour to be used in little.
• Expresses energy, hope, courage.
• Neutralized orange: Peach, rust, cedar and
copper – gives hospitality and cheer.
• Preferable for exercise room.
• Not good for living or bedroom.
14. Brown
• Most useful colour.
• Represents simplicity, friendliness, humility
and tranquillity.
• Warm neutral colour stimulate appetite.
15. Red
• Associated with high energy, passion, power,
boldness, love and comfort.
• Promotes alertness, speed and connects us to our
physical self.
• Cheerful but not restful.
• Cool reds harmonize with blues and purples.
• Warm red go with orange and yellow.
• Dark, dull, raspberry red for carpets.
• In living or dining room- draws attention and
stimulate conversation
16. Purple
• Red+ Blue
• Represents wisdom, dignity and mystery.
• Symbolizes luxury, wealth and elegance.
• Stimulate problem solving areas in brain.
• Diluted purple is the lavender.
17. Blue
• Most well liked colours and useable in large
areas.
• Symbolizes peace, security, coolness,
spaciousness, dignity, calmness.
• Act as antidote for too much warmth and help
ward off insomnia
• Modified blue, pale slate blue, medium blue.
• Preferable for bathrooms and bedrooms.
18. Green
• Symbolizes nature, health enhancing, wealth
and good fortune when blue predominate.
• Effect envy, jealousy and ill health when
yellow predominates.
• Used with caution
• Good for the eyes, nerves.
• Preferable in reading rooms.
19. Black
• Expresses authority, power, evil, strength,
stylish.
• Add spirit in dark background.
• Carpets, furniture in black are luxurious but
need more maintenance.
20. White
• White and off-white both used for interior as
well as exterior.
• Unusual colour schemes harmonize with
white floors and carpets.
• Pure white + cool hues
• Cream and off-white + warm hues
21. Grey
• Both warm or cool
• In tint, seems gentle and serene whereas in
shades, dignified and restrained.
• Exterior- pale grey
• Wall with grey+ yellow/voilet, dark grey with
drawing
23. Prang Color System
• Developed by: David
Brewster
• Simplest way to
understand color
relationship
• Based on 3 primary
colors: RED GREEN
YELLOW
• Primary colors cannot be
obtained by mixing other
pigments
24. Secondary Colors
• Obtained by mixing primary colors in varied
proportions
• Orange= Yellow+ Red
• Violet= Red+ Blue
• Green= Blue+ Yellow
• Primary color + Secondary color=Normal color
25. Intermediate or Tertiary hue
• Primary color+ Intermediate Secondary
color=Intermediate or Tertiary hue
• They are half way between two colors
• Yellow +Orange= Yellow-Orange
• Orange + Red= Orange - Red
• Red + Purple= Red - Purple
• Purple + Blue= Purple - Blue
• Blue + Green= Blue - Green
• Green + Yellow= Green - Yellow
