Full Red Screen

Open a fullscreen red screen for monitor review, simple display checks, and solid-color background use.

RGB Channel Check

Fullscreen color screen with diagnostics-first controls

Use red shades to inspect stuck subpixels and color uniformity across the panel.

Shade Ladder
Advanced Options
Keyboard: F fullscreen, Esc exit, / shade step.
Use This Screen For
Best For Best for red-channel issues and tint checks.
Limitations Not a full panel diagnostic alone; rotate through green/blue/white/black.
Selected: --
Hex --
Mode Manual

It is easier to change the specification to fit the program than vice versa.

Alan Perlis

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