5.4 On-Set Color Grading and LUTs

On-set color grading is a game-changer for cinematographers. It lets you tweak colors during filming, giving instant visual feedback and streamlining post-production. You can adjust exposure, contrast, and more to nail the look you want right away.

LUTs are your secret weapon for consistent color aesthetics. These pre-set formulas transform image color and tone quickly. You can use technical LUTs to convert between color spaces or creative LUTs to apply stylistic looks on the fly.

On-set color grading for visual style

Manipulating color during production

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  [Final Cut Pro] LOG撮影のクリップやグレーディング用LUTの追加と適用方法とは？ - Curioscene (キュリオシーン) - 映像制作、動画編集チュートリアルマガジンサイト View original

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  [Final Cut Pro] LOG撮影のクリップやグレーディング用LUTの追加と適用方法とは？ - Curioscene (キュリオシーン) - 映像制作、動画編集チュートリアルマガジンサイト View original

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  [Final Cut Pro] LOG撮影のクリップやグレーディング用LUTの追加と適用方法とは？ - Curioscene (キュリオシーン) - 映像制作、動画編集チュートリアルマガジンサイト View original

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  PIXLS.US Blog - Color Manipulation with the Colour Checker LUT Module View original

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  [Final Cut Pro] LOG撮影のクリップやグレーディング用LUTの追加と適用方法とは？ - Curioscene (キュリオシーン) - 映像制作、動画編集チュートリアルマガジンサイト View original

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• On-set color grading manipulates and enhances footage color during production providing immediate visual feedback and creative decision-making
• Adjusts parameters (exposure, contrast, saturation, color balance) to achieve desired aesthetic
• Requires deep understanding of color theory, digital imaging technology, and camera system characteristics
• Streamlines post-production workflows reducing need for extensive color correction later

Establishing consistent visual style

• Helps establish consistent visual style and mood for production ensuring director's vision accurately represented from outset
• Facilitates better communication between cinematographer, director, and post-production team providing clear visual reference for intended final look
• Requires understanding limitations and capabilities of on-set color grading tools for informed decisions about on-set vs post-production adjustments

LUTs for color aesthetics

Understanding LUT types and applications

• Look-up tables (LUTs) transform image color and tone with pre-defined mathematical formulas allowing quick and consistent application of specific looks
• Different LUT types include technical LUTs (converting between color spaces) and creative LUTs (applying stylistic looks)
• 1D LUTs affect single parameter (contrast) while 3D LUTs manipulate entire color space
• Apply LUTs in-camera, on external monitors, or in post-production software each with unique advantages

Creating and managing custom LUTs

• Create custom LUTs by analyzing reference images, adjusting color parameters, and exporting settings in compatible format
• Properly manage and organize LUTs to maintain consistency across scenes and camera setups
• Understand LUT limitations (inability to compensate for exposure issues or adapt to changing lighting conditions)

Collaboration for visual look

Communicating visual concepts

• Use mood boards, reference images, and test footage to convey visual ideas
• Develop common vocabulary for discussing color and visual aesthetics to streamline collaborative process
• Provide real-time visual feedback and alternatives allowing immediate adjustments and refinements

Balancing creativity and technical constraints

• Translate director's vision into technical color grading decisions
• Consult regularly with cinematographer ensuring color grading complements lighting and camera work
• Balance creative desires with technical limitations and production constraints
• Document decisions and maintain version control of looks throughout production ensuring consistency and easy recall of previous iterations

LUT workflows for consistency

Standardizing LUT management

• Establish standardized naming convention and organization system for efficient LUT management across production
• Implement color-managed workflow including proper monitor calibration and use of reference displays for accurate color representation
• Develop system for quickly switching between LUTs and looks on set allowing greater flexibility and experimentation (color wheels, vector scopes)

Ensuring cross-camera compatibility

• Understand color science and log profiles of different camera systems for creating and applying LUTs consistently across formats (ARRI LogC, Sony S-Log)
• Create and maintain detailed documentation of LUT applications and color decisions for each scene facilitating consistency in long-form productions
• Utilize color management software and hardware solutions (Pomfort LiveGrade, Teradek COLR) to streamline LUT distribution and application across multiple cameras and monitoring systems
• Implement regular quality control checks and color matching procedures ensuring intended look maintained across shooting days and locations (waveform monitors, color charts)