# Blog · Colorizethis

> Colorizethis — Recent headlines.

- [Colorize Old 1940s Portraits: ControlNet 7 Hints Cut Delta-E 30% vs Auto](https://colorizethis.io/blog/colorize-old-1940s-portraits-controlnet-7-hints-cut-delta-e-30-vs-auto.php/index.md)
- [Colorize 1940s black white portraits: 4% vs 61.7% grain test](https://colorizethis.io/blog/colorize-1940s-black-white-portraits-4-vs-617-grain-test.php/index.md)
- [Colorize old family photos: 10 lock with 45s vs 8s workflow choice](https://colorizethis.io/blog/colorize-old-family-photos-10-lock-with-45s-vs-8s-workflow-choice.php/index.md)
- [Colorize old black and white portraits: 50-step blind wins for studio light](https://colorizethis.io/blog/colorize-old-black-and-white-portraits-50-step-blind-wins-for-studio-light.php/index.md)
- [2026 Diffusion vs Exemplar LAB: 5.9 vs 8.7 Skin CIEDE2000](https://colorizethis.io/blog/2026-diffusion-vs-exemplar-lab-59-vs-87-skin-ciede2000.php/index.md)
- [Canny-Locked Denoising Cuts Bleed 32% in MIT 2026 Test](https://colorizethis.io/blog/canny-locked-denoising-cuts-bleed-32-in-mit-2026-test.php/index.md)
- [Diffusion vs. GAN Colorization: Why PSNR Fails and What to Test](https://colorizethis.io/blog/diffusion-vs-gan-colorization-why-psnr-fails-and-what-to-test.php/index.md)
- [Bedrock AgentCore Cross-Account Memory: The 3-Step Handshake](https://colorizethis.io/blog/bedrock-agentcore-cross-account-memory-the-3-step-handshake.php/index.md)
- [Kodachrome's Three Dye Layers: Why LAB Clamping Wins for Archives](https://colorizethis.io/blog/kodachromes-three-dye-layers-why-lab-clamping-wins-for-archives.php/index.md)
- [4-Point FID Drop: 4 Colorizers Tested on 4,812 Tomato Scans](https://colorizethis.io/blog/4-point-fid-drop-4-colorizers-tested-on-4812-tomato-scans.php/index.md)
- [Stabilize Archival Video With ControlNet Reference Cuts](https://colorizethis.io/blog/stabilize-archival-video-with-controlnet-reference-cuts.php/index.md)
- [5 Free B&W Conversion Tools Tested: Why Darktable Wins](https://colorizethis.io/blog/5-free-bw-conversion-tools-tested-why-darktable-wins.php/index.md)
- [sRGB's 35.9% Gamut Ceiling: The Export Pipeline That Wins](https://colorizethis.io/blog/srgbs-359-gamut-ceiling-the-export-pipeline-that-wins.php/index.md)
- [How to Buy DJI in the US in 2026: Authorized, Gray, or Used](https://colorizethis.io/blog/how-to-buy-dji-in-the-us-in-2026-authorized-gray-or-used.php/index.md)
- [Diffusion Colorization: Conditioning Tradeoffs Beyond PSNR/SSIM](https://colorizethis.io/blog/diffusion-colorization-conditioning-tradeoffs-beyond-psnrssim.php/index.md)
- [Diffusion Colorization Fails 1920s Archival Restoration: MIT Audit](https://colorizethis.io/blog/diffusion-colorization-fails-1920s-archival-restoration-mit-audit.php/index.md)

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