Lab 10
Creating color by addition
Report sheet
Objective: To
1) demonstrate how additive and subtractive primary colors are related,
2) model how televisions, computer monitors, and stage lights create colors by combining primary colors, and
3) determine the colors needed to generate any particular composite color.
Data:
Describe the appearance of the color produced by turning on the red elements for 10% of the time, the green for 50%, and the blue for 90% of the time.
Record the fractions of red, green, and blue needed to make the colors on the color wheel.
Red Green Blue
1) Yellow
2) Orange
3) Red
4) Crimson
5) Magenta
6) Violet
7) Blue
8) Cobalt
9) Cyan
10) Turquoise
11) Green
12) Yellow – Green
Slider settings for your color, based on your birthdate:
Red Green Blue
Describe the resulting color.
Web extension
All television sets and computer monitors can only produce red, green, and blue – until recently. Why did Sharp add a fourth color, yellow, on their Quattro line of flat-screen televisions?
Source you consulted:
PR Photo (Proof you Really did the experiment)
Take a screenshot of your computer while it is displaying your color, based on your birthdate, and submit it. (On Windows machines, press PrintScreen, then open Paint and click Paste. Then click Save As and name your file. On Macs, press Command-Shift-3. The screenshot is added to your desktop.)