This document provides an overview of the RGB and CMY color models. It discusses that RGB uses red, green, and blue primary colors in an additive model, and is used for computer and television screens. CMY uses cyan, magenta, and yellow in a subtractive model, where inks subtract brightness from white. It is used for color printing. Examples of each color model are also presented.

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2. RGB & CMY Color Model

3. PART
01
Marjuk Ahmed Siddiki
Id: 171-15-8959

4. RGB Color Model
Color
Model
CMY Color Model

5. RGB Color Model
The RGB color model is one of the most widely used
color representation method in computer graphics.
It use a color coordinate system with three primary
colors:
R(red), G(green), B(blue)
RGB color stands for RED,GREEN and BLUE. This color model is used in computer monitors, television sets, and theater.
It's an additive color model.
Additive color model means is that where we can combine these three basic color in various ways to get a new color.

6. Example of RGB Color Model - Glut
glColor3f(1.0,0.0,0.0); glColor3f(0.0,1.0,0.0); glColor3f(.0,0.0,1.0); glColor3f(1.0,1.0,1.0);

7. Importance of RGB Color Model
The color model RGB is used in hardware applications like PC monitors, cameras
and scanners.
It is used for Web graphics, but it cannot be used for print production.
It directly reflects the physical properties of "True-color" displays.
RGB

8. CMY Color Model
The CMY color model is a subtractive color model in
which cyan, magenta and yellow pigments or dyes are
added together in various ways to reproduce a broad
array of colors.
The name of the model comes from the initials of the
three subtractive primary colors: cyan, magenta, and
yellow.
Subtractive because, The ink reduces the light that would otherwise be reflected. Inks subtract brightness from white.
When we mix colors using paint, or through the printing process, we are using the subtractive color method.
Subtractive color mixing means that one begins with white and ends with black; as one adds color, the result gets
darker and tends to black.

9. Example of CMY Color Model
Cyan Color Megenta Color Yellow Color

10. Importance of CMY Color Model
The CMY color model is used in color printers.
It is created by the subtractive mode.
Used in most commercial color printing (books, magazines, etc.).
RGB

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