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".

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.

30. IS THIS COLOUR
CAST?

31. IS THIS COLOUR
CAST?
YES!

32. THE DISK SHOULD BE WHITE... OR GREY.

33. SO, HOW ABOUT THIS...

35. BLUE?!
LET’S LOOK AGAIN.

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...

55. ...WE ARE
DOCTORS

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?

63. OR PERHAPS
BLUEISH?

64. PATIENT MR. GREYSTREET
WHAT COLOUR CAST IS THIS?

66. IS IT GREY?

67. OR A BIT
GREENISH?

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?

74. WHERE IS
NEUTRAL?

75. HERE IT IS!

76. WELL DOCTORS.
WHAT’S
NEXT?

77. PRACTICE
PRACTICE
PRACTICE

78. DR.Vfavourite method
‘s

79. Photoshop’s
LEVELS
Choose the
channels
individually
‘s

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