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Transcript

  • 1. Color Theory and Color Management English 414 Lee Honeycutt
  • 2. Eye’s Reception of Color
  • 3. Rods and Color Cones
  • 4. Additive Color
  • 5. Subtractive Color
  • 6. Lighting Conditions
    • Incandescent - makes red and oranges seem warm
    • Standard Fluorescent - renders inaccurate colors, with hues of green or yellow (indoor video)
    • Sunlight Fluorescent - uses 5,000 K bulbs to simulate sunlight
    • Metameric swatch - determines color accuracy of light
  • 7. Color Terms
    • Color Model - CIE L*a*b, sRGB, Adobe RGB, etc.
    • Gamuts and Palettes - range of colors. RGB has a broader gamut than CMYK.
    • Hue - different colors within a gamut
    • Chroma or saturation - intensity within a hue.
    • Value - tone of grays within a hue
  • 8. Color Management
    • A workflow process that seeks to maintain accurate color settings across all steps of digital design and production.
  • 9. Device Calibration
    • Input Devices
      • Scanners
      • Digital cameras
    • Monitors
      • CRTs
      • LCDs
    • Output Devices
      • Inkjet printers
      • Laser printers
      • Plotters
  • 10. ICC Profiles
    • Profiles help standardize calibration information across a variety of devices
    • Calibration is somewhat automatic for scanners and cameras at home; professional quality needs tweaking.
    • Monitors need calibration, usually done through OS.
    • Printer calibration automatic through profiles; check with press for ICC profile.
  • 11. Scanners and Cameras
    • Scanners - TWAIN Plug-ins for Photoshop usually calibrate scanner color profile.
    • Cameras - sometimes provided by manufacturer, but you may need to download:
    • Popular Photography Site
  • 12. Monitor Calibration
    • Mac OS X
    •  > System Preferences > Displays
    • Windows XP
  • 13. Monitor Calibration
  • 14. Try Your Hand at It
    • Mac OS X
    •  > System Preferences > Displays
    • Windows XP
  • 15. Professional Monitors
  • 16. Sony Artisan System
    • 21-inch Trinitron CRT precisely tuned for color creative applications
    • Integrated display, hood, color sensor and software specifically engineered for seamless color calibration and profiling
    • Easy one-touch calibration and profiling setting accurate fixed color spaces is automatic, because software and sensor communicate directly with the display
    • Sets and maintains black for consistent color contrast ratio.
  • 17. Software Color Settings
    • Mac OS X - ColorSync utility application
    • Windows XP - Image Color Management
    • Software Packages:
      • Photoshop
      • InDesign