Colors

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Colors Numbers12345678901234567890123

• Shreekanth Mandayam, Gina Tang, Scott Papson, Dan
  Barrot, Joe Oagaro and Rick Eckert
• Electrical Computer Engineering
• Rowan University
• Glassboro, NJ 08028
• July 9, 2003

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Learning activities

• Making colors
• Finding colors
• Changing colors

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How do they get all those colors?

• All shades of color that you see on a computer
  screen are made up by adding 3 primary colors

G
B
R
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Colors Numbers

• The amount of each primary color in a shade a
  Number!!!

G 0 to 255
B 0 to 255
R 0 to 255
Redness Greenness Blueness
0 No red 255 Bright red
0 No green 255 Bright green
0 No blue 255 Bright blue
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How many shades of color?

• Go to http//www.ringthis.com/java/colortest/ and
  create your own shade of color. Experiment!
• How many shades of color can you create using 3
  numbers for each shade? (an R-number, a G-number
  and a B-number)

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Finding colors

• Get pictures using a digital camera or scanner
  into the computer
• Find the amount of redness, greenness and
  blueness in each picture
• ColorCube ColorAnalyzer

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Changing colors

• Go to http//www.colorcube.com/play/assist/assist.
  htm
• Change the colors in different parts of the
  picture

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Whats the use?
Radiodense (Bright Large numbers)
Film region
Radiolucent (Dark small numbers)
Risk factor for developing breast cancer
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Whats the use?
Radiodense (White 255)
Film region
Radiolucent (Black 0)
Risk factor for developing breast cancer