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Administrative Stuffs

$5 for workbook & parent signature For outstanding work, check the wiki for your completion status QUIZ was horrible! (very DISAPPOINTED! )  What went wrong? a) Teaching is not clear? b) Don’t understant? (WHY DIDN’T YOU COME AND ASK FOR HELP??)

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Administrative Stuffs

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  1. $5 for workbook & parent signature • For outstanding work, check the wiki for your completion status • QUIZ was horrible! (very DISAPPOINTED! ) •  What went wrong? • a) Teaching is not clear? • b) Don’t understant? (WHY DIDN’T YOU COME AND ASK FOR HELP??) • b) You did not study? (WHY NOT??) • ** You must remember that you’re now grade 10, not 10 years old •  You need to take some responsibility •  I can and will help you if you needed help and are willing to learn •  but I cannot tell you all the time to do your work •  and NO ONE will when you go to college or university, outside of high school • Being Lazy and giving Excuses are not acceptable and are bad characters!! Administrative Stuffs

  2. Colour Theory

  3. History of Colour • Colours are often symbolic. • Let’s talk about what role colour has played in • different times in history.

  4. In China… • Yellow has religious significance • It is still the Imperial color today!

  5. In Greece and Rome… • Red was believed to have • protective powers. • Purple was restricted to use • by nobility.

  6. The Egyptians • Adorned walls of tombs and temples with brilliant colors of blue, tangerine, and green.

  7. In the Italian Renaissance… • Colors were vibrant reds, • greens, golds and blues.

  8. In the Rococo period… • Tastes became very feminine, colors became less vibrant.

  9. In 18th Century England… • There was great elegance. • Colors were rich, showing a • strong Chinese influence in • the use of red and gold.

  10. During the Victorian era… • There was great Eclecticism known for it’s abundance of “things”. • Colors were mostly dullreds, greens, browns, and mauves.

  11. In the 1920’s… • All-white interiors became popular which gave way to delicate pastels with bright accents.

  12. In the 1950’s.. • Light colors were preferred. • However, American • interest turned to • Mexico and a shift • to bright colors with • bright contrasts.

  13. And in the 1990’s… • Regal gold, blue, and red were used. Southwestern remained popular and Victorian was being revived. • Ivy league also becomes popular with forest greens and cranberry reds.

  14. Where does color come from?

  15. The Science of Colour was developed by Sir Isaac Newton in 1704.

  16. Newton explained that there were 3 “pure” colours. • Today we call them PRIMARY COLOURS

  17. Primary Colours • Primary colours will produce white light when mixed together. • Primary colours can be mixed to produce any other colour

  18. Colour Combinations • Red and Blue make Magenta • Red and Green make Yellow • Green and Blue make Cyan • All colours together make White • No colour is Black

  19. Colour Wheel • A colour wheel is a way of organizing colours so they are easier to work with.

  20. Analogous colors • Analogous colors tend to look good together because they are closely related on the colour wheel.

  21. Complimentary Colours • Complimentary colours are opposite each other on the colour wheel and provide maximum contrast.

  22. Applications of Colour • Dramatic Effect

  23. Applications of Colour • Colour Printing

  24. Applications of Colour • Old TV’s and Monitors

  25. Applications of Colour • LCD and Plasma TVs

  26. Applications of Optics • Telescopes

  27. Hubble Space Telescope

  28. Applications of Optics • Microscope

  29. Applications of Optics • Fiber Optic Cables

  30. Colours of Light • visible light consists of a spectrum of colours.  We know this because when white light is refracted through a prism, we observe a spectrum of colours (eg. rainbow)

  31. Colours of Light • The colour(s) that we see shown on any material is not actually from the material but the resulting refracted light that reflects to our eyes after the material has absorbed other colours from the spectrum  eg. we see green leaf because when visible lights strike the leaf, it absorbs red, orange, yellow, blue, indigo and violet light and reflects green light.

  32. Colours of Light • - colours are detected by the cones structures of the retina • - mixing light colour is different from mixing pigment (eg. paint, ink) colours: mixing light colours has an additiveeffect whereas mixing pigment colours has a subtractiveeffect.

  33. Mixing of Colours • The primary colors of light are red, blue, and green.  ADDITIVE • The primary colors for pigments (such as paints or inks) are yellow, cyan (a bluish-green) and magenta (purplish-red). •  SUBTRACTIVE

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