colour theory ppt- animated ppt

Colour Theory
In the visual arts, color theory is a body of practical
guidance to color mixing and the visual effects of a
specific color combination. There are also definitions
(or categories) of colors based on the color wheel:
primary color, secondary color, and tertiary color.

Colour Wheel
A color wheel or color circle is an abstract illustrative organization
of color hues around a circle, which shows the relationships
between primary colors, secondary colors, tertiary colors etc.
A color circle, based on red, yellow and blue, is traditional in the field
of art. Sir Isaac Newton developed the first circular diagram of colors
in 1666. Since then, scientists and artists have studied and designed
numerous variations of this concept.
As an illustrative model, artists typically use red, yellow, and blue
primaries (RYB color model) arranged at three equally spaced points
around their color wheel.
Printers and others who use modern subtractive color methods and
terminology use magenta, yellow, and cyan as subtractive primaries.

RGB stands for Red, Green, Blue and is an additive color model.
What this means is that this color model is based on adding and
mixing light – when you add Red, Green, and Blue light together,
You create a pure white.
RGB is primarily used for designing elements that will be displayed
on a television set, a computer monitor, a mobile phone, or any other
kind of light source. Obviously, it is a device dependent color mode.
The types of Colormodel
CMYK stands for Cyan, Magenta, Yellow, Key (Black) and is a
subtractive color model. A subtractive color model works exactly
opposite from an additive color model (RGB,) it works by partially or
entirely masking certain colors from white.
it is most frequently used to this day as the main color mode used in printing.
1. RGB
2. CMYK

yellow
red
blue
In traditional color
theory (used in
paint and
pigments), primary
colors are the 3
pigment colors that
cannot be mixed or
formed by any
combination of
other colors. All
other colors are
derived from these
3 hues.
Categories
Of Color
Primary
colors
Primary
colors

secondary
colors
orange
purple
green
These are the colors
formed by mixing the
primary colors.
Y R
Y B
B R
Secondary
colors

Tertiary
colors
O R
Y G
Y O
Tertiary colors
Red orange
Blue green
blue purple
Yellow orange
Yellow green
Red purple
G B
P B
P R
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.
v
v

Complementary colors
Complementary colors are the opposite hues on
the color wheel. In their most basic form, they
are one primary color and the secondary color
that is created by mixing the other two
primaries. For instance, the complementary
color to yellow is purple, which is a mix of blue
and red.
orange and blue
purple and yellow
red and green

Examples of
complimentary colors
in real life
mozilla firefox
Lakers logo
Christmas

Warm v/s cool colors
The distinction between "warm" and "cool" colors has been
important since at least the late 18th century. "warm" colors
associated with daylight or sunset, and the "cool" colors
associated with a gray or overcast day.
Warm colors are often said to be hues from red through yellow,
browns, and tans included; cool colors are often said to be the
hues from blue-green through blue violet, most grays included.
Color theory has described perceptual and psychological effects to this
contrast. Warm colors are said to advance or appear more active in a
painting, while cool colors tend to recede; used in interior design or
fashion, warm colors are said to arouse or stimulate the viewer, while
cool colors calm and relax.

Achromatic
Any color that lacks strong chromatic content is said to be unsaturated,
achromatic, near-neutral, or neutral. Near neutrals include browns,
tans, pastels, and darker colors. Near neutrals can be of any hue or
lightness. Pure achromatic, or neutral colors include black, white and all
grays.
Near neutrals are obtained by mixing pure colors with white, black or
grey, or by mixing two complementary colors. In color theory, neutral
colors are easily modified by adjacent more saturated colors and they
appear to take on the hue complementary to the saturated color
colors
o g neutral
+
Example:

`
Chroma , hue and value
CHROMA
Chroma may be defined as the strength or dominance of
the hue. On the outer edge of the hue wheel are the
intensely saturated hues. Towards the center of the
color wheel, no hue dominates and they becomes less and
less saturated.
Hue is described with the words we
normally think of as describing color: red,
purple, blue, etc.
HUE
Value describes overall intensity to how light or
dark a color is. It is the only dimension of color that
may exist by itself.
VALUE

Tint , tone and shade
Tint increases the lightness. It is the equivalent of adjusting a
hue by adding more white. In the paint world, you may hear
the term pastels. Tints add a soft and soothing feel.
Tone adjusts a color’s value by adding more grey to a hue. Tone is
often preferred over shade because it still keeps more color
properties than the black shading adds.
TINT
SHADE
Shade is the opposite of tint; it reduces lightness. Shade is the
equivalent of adjusting a hue by adding more black. Shade
offers a deep or powerful mood. It can also be mysterious.
TONE

1. Monochromatic
color scheme
Monochromatic color schemes are made up of
different tones, shades and tints within a specific
hue. These are the simplest color schemes to create,
as they’re all taken from the same hue, making it
harder to create a jarring or ugly scheme (though
both are still possible).
Monochromatic schemes are easy to create, but can
also be boring when done poorly. Adding in a strong
neutral like white or black can help keep things
interesting. monochromatic

2. Analogous
color scheme
Analogous color schemes are the next easiest to
create. Analogous schemes are created by using
three colors that are next to each other on the 12-
spoke color wheel. Traditionally, analogous color
schemes all have the same Chroma level, but by using
tones, shades, and tints we can add interest to these
schemes and adapt them to our needs for designing
websites.
analogous

3. Complimentary
Color scheme
Complementary schemes are created by
combining colors from opposite sides of the
color wheel. In their most basic form, these
schemes consist of only two colors, but can easily
be expanded using tones, tints, and shades
complimentary

4. Split
complimentary
Color scheme
Split complementary schemes add more
complexity than regular complementary
schemes. In this scheme, instead of using colors
that are opposites, you use colors on either side
of the hue opposite your base hue.
Split
complimentary

4. Triadic
Color scheme
Triadic schemes are made up of hues
equally spaced around the 12-spoke color
wheel. This is one of the more diverse color
schemes. They can be difficult to do well,
but add a lot of visual interest to a design
when they are.
Triadic

4. Tetradic
Color scheme
The rectangle or tetradic color scheme uses
four colors arranged into two complimentary
pairs. This rich color scheme offers plenty of
possibilities for variation. The tetradic color
scheme works best if you let one color be
dominant. You should also pay attention to the
balance between warm and cool colors in your
design.
Tetradic

5. custom
Color scheme
Custom color schemes are the hardest to
create. Instead of following the predefined
color schemes discussed above, a custom
scheme isn’t based on any formal rules.
Keep in mind things like Chroma, value, and
saturation when creating these kinds of
color schemes.

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