ALL ABOUT COLOUR
by Stefano Virgilli,
Adobe Design Master @ LAB School
SO, WHAT IS COLOUR?
SO, WHAT IS COLOUR?
R
SO, WHAT IS COLOUR?
R
G
SO, WHAT IS COLOUR?
R
G
B
SO, WHAT IS COLOUR?
R C
G
B
SO, WHAT IS COLOUR?
R C
G M
B
SO, WHAT IS COLOUR?
R C
G M
B Y
SO, WHAT IS COLOUR?
R C
G M
B Y
R+G=Y
R C
G M
B Y
G+B=C
R C
G M
B Y
R+B=M
R C
G M
B Y
R C
G M
B Y
SO, WHAT IS COLOUR?
IS COLOUR ALWAYS GOOD?
IS COLOUR ALWAYS GOOD?
WHO LIKES THIS PICTURE?
WHO LIKES THIS PICTURE?
BUT WHY!?
THE SCIENCE OF PHOTOGRAPHY
OUR BRAIN PROCESSES
PICTURES STARTING FROM
THE CONTRAST.
DULL.
BETTER.
THEN OUR BRAIN
PROCESSES THE COLOUR.
COLOUR
CAST
THE VIRUS
A colour cast is a tint of a particular colour, usually unwanted,
which affects the whole of a photographic imag...
IS THIS COLOUR CAST?
IS THIS COLOUR CAST?
NO!
WE ARE AIMING FOR NEUTRAL TONES.
IS THIS COLOUR
CAST?
IS THIS COLOUR
CAST?
YES!
THE DISK SHOULD BE WHITE... OR GREY.
SO, HOW ABOUT THIS...
BLUE?!
LET’S LOOK AGAIN.
WHAT COLOUR IS SUPPOSED
TO BE THE SKY?
WHAT COLOUR IS SUPPOSED
TO BE THE LAKE?
...AND THE MOUNTAINS
FAR AWAY?
BLUE.
THAT IS NOT COLOUR CAST!
LOOK CLOSER.
CLOSER.
CLOSER.
WHAT COLOUR IS THE SNOW
SUPPOSED TO BE.
WHAT COLOUR IS THE SNOW
SUPPOSED TO BE.
OUR RGB GOAL IS
128/128/128
OUR RGB GOAL IS
128/128/128
JUST 256 DIVIDED BY 2
+
+
+
-
+
SO, WHAT WE SAID ABOUT
RED + BLUE?
R+B=M
R C
G M
B Y
IF VIRUS IS MAGENTA
WHAT IS THE CURE?
R+B=M
R C
G M
B Y
GREEN IS THE MEDICINE FOR MAGENTA
R C
G M
B Y
IF PICTURES ARE OUR
PATIENTS...
...WE ARE
DOCTORS
NOT DOCTOR
BROWN
DR. VIRGILLI
DR. VIRGILLI
DR.V
PATIENT MS. SNOWHITE
WHAT COLOUR CAST IS THIS?
IS IT RED?
OR PERHAPS
BLUEISH?
PATIENT MR. GREYSTREET
WHAT COLOUR CAST IS THIS?
IS IT GREY?
OR A BIT
GREENISH?
PATIENT MR. HYPOCHONDRIAC
WHAT COLOUR CAST IS THIS?
OH, REALLY?
OUT OF MY
CLINIC, YOU
ARE NOT
SICK!
PATIENT MR. TOUGH
WHAT COLOUR CAST IS THIS?
WHERE IS
NEUTRAL?
HERE IT IS!
WELL DOCTORS.
WHAT’S
NEXT?
PRACTICE
PRACTICE
PRACTICE
DR.Vfavourite method
‘s
Photoshop’s
LEVELS
Choose the
channels
individually
‘s
Photoshop’s
LEVELS
Use the
middle slider
(gamma) to
adjust the
colour cast
‘s
+ RED + CYAN
Photoshop’s
LEVELS
Use the
middle slider
(gamma) to
adjust the
colour cast
‘s
+ GREEN + MAGENTA
Photoshop’s
LEVELS
Use the
middle slider
(gamma) to
adjust the
colour cast
‘s
+ BLUE + YELLOW
Credits:
http://www.flickr.com/photos/universalproject/73949276/sizes/l/in/photostream/
Some rights reserved by Universal ...
Links:
http://creativecrew.org.sg
Creative Crew (Singapore) - Adobe User Group
http://lab.edu.sg
Adobe Authorized Training...
All about colour - by Stefano Virgilli
All about colour - by Stefano Virgilli
All about colour - by Stefano Virgilli
All about colour - by Stefano Virgilli
All about colour - by Stefano Virgilli
All about colour - by Stefano Virgilli
All about colour - by Stefano Virgilli
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All about colour - by Stefano Virgilli

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Stefano Virgilli - Adobe Certified Instructor Design Master @LAB School - will guide you in a deep retrospective of colour evolution. Where did we start from in digital photography, we are we heading to it. Any feedback?

Being a doctor who "cures" photos
Histogram, Levels, Curves, Colour Balance, Channel Mixer, Exposure, Recovery, FIll Light, Blacks, Brightness, Contrast, Temperature… Isn't this enough? Or too much? It's a jungle out there!
Before to embark in a long journey with Camera Raw and Lightroom, do you really understand WHY are you using this or that adjustment?

RESET! Start from the beginning and analyze what's right and what's wrong with a picture. Only then we can try to "fix it".

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All about colour - by Stefano Virgilli

  1. 1. ALL ABOUT COLOUR by Stefano Virgilli, Adobe Design Master @ LAB School
  2. 2. SO, WHAT IS COLOUR?
  3. 3. SO, WHAT IS COLOUR? R
  4. 4. SO, WHAT IS COLOUR? R G
  5. 5. SO, WHAT IS COLOUR? R G B
  6. 6. SO, WHAT IS COLOUR? R C G B
  7. 7. SO, WHAT IS COLOUR? R C G M B
  8. 8. SO, WHAT IS COLOUR? R C G M B Y
  9. 9. SO, WHAT IS COLOUR? R C G M B Y
  10. 10. R+G=Y R C G M B Y
  11. 11. G+B=C R C G M B Y
  12. 12. R+B=M R C G M B Y
  13. 13. R C G M B Y
  14. 14. SO, WHAT IS COLOUR?
  15. 15. IS COLOUR ALWAYS GOOD?
  16. 16. IS COLOUR ALWAYS GOOD?
  17. 17. WHO LIKES THIS PICTURE?
  18. 18. WHO LIKES THIS PICTURE? BUT WHY!?
  19. 19. THE SCIENCE OF PHOTOGRAPHY
  20. 20. OUR BRAIN PROCESSES PICTURES STARTING FROM THE CONTRAST.
  21. 21. DULL.
  22. 22. BETTER.
  23. 23. THEN OUR BRAIN PROCESSES THE COLOUR.
  24. 24. COLOUR CAST
  25. 25. 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
  26. 26. IS THIS COLOUR CAST?
  27. 27. IS THIS COLOUR CAST? NO!
  28. 28. WE ARE AIMING FOR NEUTRAL TONES.
  29. 29. IS THIS COLOUR CAST?
  30. 30. IS THIS COLOUR CAST? YES!
  31. 31. THE DISK SHOULD BE WHITE... OR GREY.
  32. 32. SO, HOW ABOUT THIS...
  33. 33. BLUE?! LET’S LOOK AGAIN.
  34. 34. WHAT COLOUR IS SUPPOSED TO BE THE SKY? WHAT COLOUR IS SUPPOSED TO BE THE LAKE? ...AND THE MOUNTAINS FAR AWAY?
  35. 35. BLUE.
  36. 36. THAT IS NOT COLOUR CAST!
  37. 37. LOOK CLOSER.
  38. 38. CLOSER.
  39. 39. CLOSER.
  40. 40. WHAT COLOUR IS THE SNOW SUPPOSED TO BE.
  41. 41. WHAT COLOUR IS THE SNOW SUPPOSED TO BE.
  42. 42. OUR RGB GOAL IS 128/128/128
  43. 43. OUR RGB GOAL IS 128/128/128 JUST 256 DIVIDED BY 2
  44. 44. + +
  45. 45. + - +
  46. 46. SO, WHAT WE SAID ABOUT RED + BLUE?
  47. 47. R+B=M R C G M B Y
  48. 48. IF VIRUS IS MAGENTA WHAT IS THE CURE?
  49. 49. R+B=M R C G M B Y
  50. 50. GREEN IS THE MEDICINE FOR MAGENTA R C G M B Y
  51. 51. IF PICTURES ARE OUR PATIENTS...
  52. 52. ...WE ARE DOCTORS
  53. 53. NOT DOCTOR BROWN
  54. 54. DR. VIRGILLI
  55. 55. DR. VIRGILLI
  56. 56. DR.V
  57. 57. PATIENT MS. SNOWHITE WHAT COLOUR CAST IS THIS?
  58. 58. IS IT RED?
  59. 59. OR PERHAPS BLUEISH?
  60. 60. PATIENT MR. GREYSTREET WHAT COLOUR CAST IS THIS?
  61. 61. IS IT GREY?
  62. 62. OR A BIT GREENISH?
  63. 63. PATIENT MR. HYPOCHONDRIAC WHAT COLOUR CAST IS THIS?
  64. 64. OH, REALLY?
  65. 65. OUT OF MY CLINIC, YOU ARE NOT SICK!
  66. 66. PATIENT MR. TOUGH WHAT COLOUR CAST IS THIS?
  67. 67. WHERE IS NEUTRAL?
  68. 68. HERE IT IS!
  69. 69. WELL DOCTORS. WHAT’S NEXT?
  70. 70. PRACTICE PRACTICE PRACTICE
  71. 71. DR.Vfavourite method ‘s
  72. 72. Photoshop’s LEVELS Choose the channels individually ‘s
  73. 73. Photoshop’s LEVELS Use the middle slider (gamma) to adjust the colour cast ‘s + RED + CYAN
  74. 74. Photoshop’s LEVELS Use the middle slider (gamma) to adjust the colour cast ‘s + GREEN + MAGENTA
  75. 75. Photoshop’s LEVELS Use the middle slider (gamma) to adjust the colour cast ‘s + BLUE + YELLOW
  76. 76. 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
  77. 77. 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

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