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COLOR MODEL 
& 
MONITOR RESOLUTION 
SUBMITTED BY: 
Ms. Adya Tiwari 
Ph.D. 
(Dept. of Textiles & Apparel Designing)
“Color model is an orderly system for 
creating a whole ranges of color from a 
small set of primary color”. 
A color model is a way to turn colors into 
numbers with a mathematical formula.
TYPES OF COLOR MODEL 
There Are Two Types Of Color Models 
RGB Color Model CMY(K) Color Model
* Additive color model. 
* For computer displays. 
* Uses light to display color. 
* Colors result from transmitted light. 
* Red + Green + Blue = White.
This model is called additive, and 
the colors are called primary colors. 
The primary colors can be added to 
produce the secondary colors of 
light- magenta (Red + Blue), cyan 
(Green + Blue), and yellow (Red + 
Green). The combination of red, 
green, and blue at full intensities 
makes white.
The combination of red, 
green, and blue in full 
intensity makes white. 
White light is created when all 
colors of the EM spectrum 
(electromagnetic spectrum) 
converge in full intensity.
* Subtractive color model. 
* For printed material. 
* Uses ink to display color. 
* Colors result from reflected 
light. 
* Cyan + Magenta + Yellow = 
Black.
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
Importance of rgb color model 
It is used— 
For sensory representation 
Display of text images in electronic 
system, 
For example-Computer, T.V., 
Camera
Importance of cymk 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.)
Primary colors are: Other Possible Combinations: 
Red – Green - Blue 
Secondary colors are: 
 Red + Blue =Magenta 
 Green +Blue = Cyan 
 Red + Green = Yellow 
White = Blue (Primary) + Yellow 
(Secondary) 
White = Green (Primary) + Magenta 
(Secondary) 
White = Red (Primary) + Cyan 
(Secondary)
Within the human eye are two elements which are 
responsible for the perception of light: rods and cones. 
 The rods contain the elements that are sensitive to light 
intensities. They are used almost exclusively at night 
for humans night vision. 
 The cones provide humans with vision during the 
daylight and are separated into three types, where each 
type is more sensitive to a particular wavelength
Numeric representations 
 Atypical RGB color selector in graphic software. 
Each slider ranges from 0 to 255. 
 Hexadecimal 8-bit RGB representations of the main 125 
colors 
 A color in the RGB color model is described by 
indicating how much of each of the red, green, and blue 
is included. 
 The color is expressed as an RGB triplet (r,g,b), each 
component of which can vary from zero to a defined 
maximum value. If all the components are at zero the 
result is black; if all are at maximum, the result is the 
brightest representable white.
Numeric representations 
Notation RGB triplet 
Arithmetic (1.0, 0.0, 0.0) 
Percentage (100%, 0%, 0%) 
Integer number (255, 0, 0)
Some examples of 24-bit repesentation of 
colors: 
 (255, 255, 255) represents white 
 (0, 0, 0) represents black 
 (255, 0, 0) represents red 
 (0, 0, 255) represents blue 
 (0, 255, 0) represents green 
 (255, 255, 0) represents yellow 
 (255, 0, 255) represents magenta 
 (0, 255, 255) represents cyan 
Full range RGB can represent up to 255 shades of a given hue. But, pure 
reds, blues, or greens have this full range of shades.
MONITOR 
RESOLUTION
MONITOR RESOLUTION 
 A computer monitor is made of pixels 
 Monitor resolution is measured in pixels, width by height. 
 640 x 480 resolution means that the screen is 640 pixels wide by 480 
tall. 
 Pixels are so close together that they appear connected. 
 A pixel is the smallest element of a video image, but not the smallest 
element of a monitor's screen. 
 Since each pixel must be made up of three separate colors, there are 
smaller red, green, and blue dots.
RGB Color Model and Monitor Resolution
Pixels are arranged in to dimension 
grids 
They are often represented by square.
Here are some recommended resolutions for the 
different screen sizes: 
14" 15" 17" 19" 21" 
640x480 BEST GOOD TOO BIG HUGE TERRIBLE 
800x600 GOOD BEST GOOD TOO BIG HUGE 
1024x768 TOO SMALL GOOD BEST GOOD STILL GOOD 
1280x1024 TINY TOO SMALL GOOD BEST GOOD 
1600x1200 TERRIBLE TINY TOO SMALL GOOD BEST
Thank 
you

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RGB Color Model and Monitor Resolution

  • 1. COLOR MODEL & MONITOR RESOLUTION SUBMITTED BY: Ms. Adya Tiwari Ph.D. (Dept. of Textiles & Apparel Designing)
  • 2. “Color model is an orderly system for creating a whole ranges of color from a small set of primary color”. A color model is a way to turn colors into numbers with a mathematical formula.
  • 3. TYPES OF COLOR MODEL There Are Two Types Of Color Models RGB Color Model CMY(K) Color Model
  • 4. * Additive color model. * For computer displays. * Uses light to display color. * Colors result from transmitted light. * Red + Green + Blue = White.
  • 5. This model is called additive, and the colors are called primary colors. The primary colors can be added to produce the secondary colors of light- magenta (Red + Blue), cyan (Green + Blue), and yellow (Red + Green). The combination of red, green, and blue at full intensities makes white.
  • 6. The combination of red, green, and blue in full intensity makes white. White light is created when all colors of the EM spectrum (electromagnetic spectrum) converge in full intensity.
  • 7. * Subtractive color model. * For printed material. * Uses ink to display color. * Colors result from reflected light. * Cyan + Magenta + Yellow = Black.
  • 8. 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
  • 9. Importance of rgb color model It is used— For sensory representation Display of text images in electronic system, For example-Computer, T.V., Camera
  • 10. Importance of cymk 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.)
  • 11. Primary colors are: Other Possible Combinations: Red – Green - Blue Secondary colors are:  Red + Blue =Magenta  Green +Blue = Cyan  Red + Green = Yellow White = Blue (Primary) + Yellow (Secondary) White = Green (Primary) + Magenta (Secondary) White = Red (Primary) + Cyan (Secondary)
  • 12. Within the human eye are two elements which are responsible for the perception of light: rods and cones.  The rods contain the elements that are sensitive to light intensities. They are used almost exclusively at night for humans night vision.  The cones provide humans with vision during the daylight and are separated into three types, where each type is more sensitive to a particular wavelength
  • 13. Numeric representations  Atypical RGB color selector in graphic software. Each slider ranges from 0 to 255.  Hexadecimal 8-bit RGB representations of the main 125 colors  A color in the RGB color model is described by indicating how much of each of the red, green, and blue is included.  The color is expressed as an RGB triplet (r,g,b), each component of which can vary from zero to a defined maximum value. If all the components are at zero the result is black; if all are at maximum, the result is the brightest representable white.
  • 14. Numeric representations Notation RGB triplet Arithmetic (1.0, 0.0, 0.0) Percentage (100%, 0%, 0%) Integer number (255, 0, 0)
  • 15. Some examples of 24-bit repesentation of colors:  (255, 255, 255) represents white  (0, 0, 0) represents black  (255, 0, 0) represents red  (0, 0, 255) represents blue  (0, 255, 0) represents green  (255, 255, 0) represents yellow  (255, 0, 255) represents magenta  (0, 255, 255) represents cyan Full range RGB can represent up to 255 shades of a given hue. But, pure reds, blues, or greens have this full range of shades.
  • 17. MONITOR RESOLUTION  A computer monitor is made of pixels  Monitor resolution is measured in pixels, width by height.  640 x 480 resolution means that the screen is 640 pixels wide by 480 tall.  Pixels are so close together that they appear connected.  A pixel is the smallest element of a video image, but not the smallest element of a monitor's screen.  Since each pixel must be made up of three separate colors, there are smaller red, green, and blue dots.
  • 19. Pixels are arranged in to dimension grids They are often represented by square.
  • 20. Here are some recommended resolutions for the different screen sizes: 14" 15" 17" 19" 21" 640x480 BEST GOOD TOO BIG HUGE TERRIBLE 800x600 GOOD BEST GOOD TOO BIG HUGE 1024x768 TOO SMALL GOOD BEST GOOD STILL GOOD 1280x1024 TINY TOO SMALL GOOD BEST GOOD 1600x1200 TERRIBLE TINY TOO SMALL GOOD BEST