Vintage Film Color Grading AI Prompt — 1970s Kodachrome

“Apply a vintage 1970s film color grade to this photo. Shift shadows toward teal/cyan, highlights toward warm amber/orange. Reduce overall contrast slightly. Add subtle film grain (ISO 800 equivalent). Slightly desaturate greens and blues while boosting warm tones. Add a very subtle light leak in the upper right corner with a warm orange glow. Soften the image slightly as if shot through a vintage lens with lower contrast coatings. The overall feel should be nostalgic and warm, like a faded Kodachrome slide.”

1. Naming a specific film stock (Kodachrome) gives the AI a clear color target
2. Describing shadow and highlight color shifts separately gives more control
3. Light leaks should be 'subtle' — the AI tends to overdo them otherwise

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