All about colour - by Stefano Virgilli
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The document discusses color fundamentals, its perception in photography, and the importance of neutral tones. It also addresses color casts and how to correct them using photo editing techniques, particularly through Photoshop’s levels adjustment. Finally, it emphasizes the practice needed to master color correction in images.
All about colour - by Stefano Virgilli
- 1. ALL ABOUT COLOUR by Stefano Virgilli, Adobe Design Master @ LAB School
- 2. SO, WHAT IS COLOUR?
- 3. SO, WHAT IS COLOUR? R
- 4. SO, WHAT IS COLOUR? R G
- 5. SO, WHAT IS COLOUR? R G B
- 6. SO, WHAT IS COLOUR? R C G B
- 7. SO, WHAT IS COLOUR? R C G M B
- 8. SO, WHAT IS COLOUR? R C G M B Y
- 9. SO, WHAT IS COLOUR? R C G M B Y
- 10. R+G=Y R C G M B Y
- 11. G+B=C R C G M B Y
- 12. R+B=M R C G M B Y
- 13. R C G M B Y
- 14. SO, WHAT IS COLOUR?
- 15. IS COLOUR ALWAYS GOOD?
- 16. IS COLOUR ALWAYS GOOD?
- 17. WHO LIKES THIS PICTURE?
- 19. WHO LIKES THIS PICTURE? BUT WHY!?
- 20. THE SCIENCE OF PHOTOGRAPHY
- 21. OUR BRAIN PROCESSES PICTURES STARTING FROM THE CONTRAST.
- 22. DULL.
- 23. BETTER.
- 24. THEN OUR BRAIN PROCESSES THE COLOUR.
- 25. COLOUR CAST
- 26. THE VIRUS A colour cast is a tint of a particular colour, usually unwanted, which affects the whole of a photographic image evenly. COLOUR CAST
- 27. IS THIS COLOUR CAST?
- 28. IS THIS COLOUR CAST? NO!
- 29. WE ARE AIMING FOR NEUTRAL TONES.
- 32. THE DISK SHOULD BE WHITE... OR GREY.
- 33. SO, HOW ABOUT THIS...
- 37. WHAT COLOUR IS SUPPOSED TO BE THE SKY? WHAT COLOUR IS SUPPOSED TO BE THE LAKE? ...AND THE MOUNTAINS FAR AWAY?
- 38. BLUE.
- 39. THAT IS NOT COLOUR CAST!
- 40. LOOK CLOSER.
- 41. CLOSER.
- 42. CLOSER.
- 43. WHAT COLOUR IS THE SNOW SUPPOSED TO BE.
- 44. WHAT COLOUR IS THE SNOW SUPPOSED TO BE.
- 45. OUR RGB GOAL IS 128/128/128
- 46. OUR RGB GOAL IS 128/128/128 JUST 256 DIVIDED BY 2
- 47. + +
- 48. + - +
- 49. SO, WHAT WE SAID ABOUT RED + BLUE?
- 50. R+B=M R C G M B Y
- 51. IF VIRUS IS MAGENTA WHAT IS THE CURE?
- 52. R+B=M R C G M B Y
- 53. GREEN IS THE MEDICINE FOR MAGENTA R C G M B Y
- 54. IF PICTURES ARE OUR PATIENTS...
- 56. NOT DOCTOR BROWN
- 57. DR. VIRGILLI
- 58. DR. VIRGILLI
- 59. DR.V
- 60. PATIENT MS. SNOWHITE WHAT COLOUR CAST IS THIS?
- 62. IS IT RED?
- 64. PATIENT MR. GREYSTREET WHAT COLOUR CAST IS THIS?
- 66. IS IT GREY?
- 68. PATIENT MR. HYPOCHONDRIAC WHAT COLOUR CAST IS THIS?
- 70. OH, REALLY?
- 71. OUT OF MY CLINIC, YOU ARE NOT SICK!
- 72. PATIENT MR. TOUGH WHAT COLOUR CAST IS THIS?
- 75. HERE IT IS!
- 80. Photoshop’s LEVELS Use the middle slider (gamma) to adjust the colour cast ‘s + RED + CYAN
- 81. Photoshop’s LEVELS Use the middle slider (gamma) to adjust the colour cast ‘s + GREEN + MAGENTA
- 82. Photoshop’s LEVELS Use the middle slider (gamma) to adjust the colour cast ‘s + BLUE + YELLOW
- 83. Credits: http://www.flickr.com/photos/universalproject/73949276/sizes/l/in/photostream/ Some rights reserved by Universal Project http://www.flickr.com/photos/jujuly25/370986806/sizes/m/in/photostream/ Some rights reserved by jujuly25
- 84. Links: http://creativecrew.org.sg Creative Crew (Singapore) - Adobe User Group http://lab.edu.sg Adobe Authorized Training Centre Singapore http://www.virgilli.com Stefano Virgilli’s website