::class Material::
1.)::Hue
Circle::write
definitions:
Hue
Value
Intensity
(images © Art Fundamentals, Theory & Practice 9th edition)
2.)
Color Mixing
The combining of light hues is called Additive mixing and the combining
of pigment hues is called Subtractive mixing.
Additive
Mixing
When the light primaries are combined in equal amounts the result is white
light. An easy way to illustrate the experience of how additive color
mixing works is to set up 3 slide projectors. Each projector should show
a slide of one light primary, that is, a red, a blue and a green slide.
Begin by projecting two of the slides simultaneously so the the images
slightly overlap slightly. add the image of the third color. Add the image
of the third color. The intermediate colors created where the two projections
overlap are the light secondary hues. Where all three images overlap,
the result will be white.
One of the uses of additive color mixing occurs in television. the television
image consists of red, green and blue phosphor dots on the surface of
a cathode ray tube. These phosphor dots are made florescent by a varying
stream of electrons.
Subtractive
Mixing
Subtractive color mixing is the combining of pigments. Subtractive color
mixing is called such because all the hues are filtered out or subtracted
from white light except one. the remaining visible hue is reflected and
seen as the surface color of a figure or form. For example, if an object
is painted with blue pigment, all other light wavelengths besides blue
are filtered out so that only the remaining wavelength (blue) is reflected
and perceived.
The pigment primaries are magenta (blue-red), yellow, and cyan (green-blue).
Generally these pigment primaries are referred to as red yellow and blue.
Theoretically, when these pigment primaries are combined, black is the
result, but a muddy brown color usually is the result.
Optical
Color Mixing
•Impressionists::
Georges Seraut :: Seraut introduced the painting technique Pointillism.
What is Pointillism?
•Bezold
Effect
What is Bezold Effect?
Examples of student composition illustrating BEZOLD Effect
3.) HOMEWORK
Assignment 1:: Hue Circle
Build a hue circle with colored papers-
Materials- bristol board or illustration 8" x 8", assorted colored papers, glue, compass.
Process- make a 6' circle, Bisect it into the divisions seen here. center the cirlce on the board.
Neatly glue paper into the sections. Do not print out colored paper from you printer. Find paper, buy paper, share paper with each other. You may collage paper into the small sections. Be sure to constuct this with clean edges. Keep it clean and neat.
Assignment 2:: Visual color Mixing Compositions
Illustrator
Exercise-in
8" x11" documents
Create a Color mixing composition a Biezold Effect.
Create 3 different mixes.
Posssiblities include the intersection of a series of many lines of at least two different hues.
A more difficult blend is to make shapes that repeat enough to create a color blend.
Print these out on a good quality paper (i.e. heavy matte paper)- 8" x 11". Save .gif images for final websites
Assignment 3:: Web site for 2D work:: preparation for Final Grade
A web site is required for your final grade.Some of you have begun to chroncle your work. This website will critiqued in terms of 2 and web design. Take time to create a well planned site. If you have not begun this project. Begin this week. Have a URl ready to show next class.
Materials for next CLass:
3" x 5" cards index cards- you only need a couple- share. Sharpe HB pencils or other light pencil. Eraser. Tracing paper. 1 sheet 11" x 14" Bristol paper.
Next class
will include another lecture on color and beginning of the assignment
Concealing/Revealing.