The Modern Linux Desktop Ecosystem
System-Wide Color Management
Color management keeps colors consistent across monitors, applications, and capture paths. On Linux it spans ICC profiles, compositor color pipelines, and per-output HDR settings. Fractional scaling and variable refresh rates complicate the pipeline, so validation needs real measurements, not visual guesses.
要点
- Calibrate each display and load the resulting ICC profile per output.
- Verify that the compositor applies profiles rather than only the application.
- Test HDR and SDR transitions on each output and record the behavior.
- Check fractional scaling for blurring and mismatched logical sizes.
- Confirm that screen capture respects the color pipeline for accurate recordings.
- Validate variable refresh rate behavior alongside color settings.
- Document per-monitor profiles so a replacement can be configured the same way.
- Use a colorimeter for critical work instead of trusting vendor presets.
常见问题
Does Wayland support color management?
Support is improving through color management protocols, but compositor coverage varies.
Why do colors differ between applications?
Applications may ignore the compositor pipeline or apply their own profiles.
Is HDR reliable on Linux?
It works on some compositor and GPU combinations, but expect per-system tuning.
How often should I recalibrate?
For critical work, periodically and after any display or driver change.
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