Colour theory for secondary education

1. COLOUR

2. PYSICAL THEORIE OF COLOUR
Color originates in light. Sunlight, as we perceive it, is colorless. In reality, a rainbow
is testimony to the fact that all the colors of the spectrum are present in white
light.

3. How the Eye Sees Colour
"Color is the visual effect that is
caused by the spectral composition
of the light emitted, transmitted, or
reflected by objects.“
1. All the "invisible" colors of sunlight
shine on the apple.
2. The surface of a red apple absorbs
all the colored light rays, except for
those corresponding to red, and
reflects this color to the human eye.
3. The eye receives the reflected red
light and sends a message to the
brain.

4. Additive and subtractive
Color System
• Additive colour system • Subtractive Color System
Mixture of primary light colours-
White
This color model is used in computer
monitors, television sets, and theater.
Mixture of primary pigment colours
Black
This color model is used in the print
industry

5. Additive Color System
Red - Green - Blue (RGB)
•The light primaries colours are
red, green and blue.
•We call these colours primary
because we cannot get them
from other coloured lights.
•We get secondary colours when
we mix two primary colours.
•We light white light when we
combine all these colours of
light.
Blue+Green= Cyan
Blue+red= Magenta
Green+red= Yellow
Primary
colours
Subtractive
Color
System

6. Subtractive Color System (CMYK )
Cyan - Magenta - Yellow - Black
They painst we use are made of
coloured power mixed with
different subsances. (Pigment+
Binder)
The primary colours pigments are:
cyan, magenta and yellow.
When we mix colour pigments it is
actually subtractive because we are
reducing the amount of light from
the resulting colour.
We get a black surface when we
put all the colour pigments
together.

8. The Color Wheel

9. The Color Wheel
Primary Colors: Magenta, yellow and Cyan
In traditional color theory (used in paint and
pigments), primary colors are the 3 pigment
colors that can not be mixed or formed by any
combination of other colors. All other colors
are derived from these 3 hues.
Secondary Colors: Green, orange and purple
These are the colors formed by mixing the
primary colors.
Tertiary Colors: Yellow-orange, red-orange,
red-purple, blue-purple, blue-green & yellow-
green
These are the colors formed by mixing a
primary and a secondary color. That's why the
hue is a two word name, such as blue-green,
red-violet, and yellow-orange.

10. Complementary colours:
Complementary colours are pairs
of colours of opposite hues.
We say a primary colour is
complementary to a secondary
one when it does not form part of
the secondary colour’s mixture
Complementary colours appear
diametrically opposite each other.

11. ATTRIBUTES OF COLOUR
A. HUE (TONO)
B. VALUE (VALOR)
C. SATURATION (SATURACION)

16. ACTIVITY 1:
PAINT THE FOLLOWING SCHEMES
A. HUE
B. SATURATION (SATURACION)

17. ACTIVITY 2:
PAINT A 12 COLOURS COLOUR WHEEL,
feel free to design your own colour wheel

18. ACTIVITY 3:
VIEWFINDER
Select a work of art (from any of the art
movements we study in class) print it, bring it to
class and choose an area. You will reproduce that
area in your artbook.

19. ACTIVITY 4:
INTERPRETATION OF A WORK OF ART
Select a work of art (from an art movement that
you like, that you identify with) print it, bring it to
class and DO AN ORIGINAL AND CREATIVE
INTERPRETATION OF THAT WORK.
For example: