Plain Screen
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White — #FFFFFF

White screen.

Full white, #FFFFFF. The least comfortable colour to stare at, and the best one for finding dirt.

01 — Panel

The panel

Any hex works. Patterns are drawn in CSS, so nothing blurs when the panel goes fullscreen.

#FFFFFF · Flat · 1920 × 1080

Colour
Any hex works. Patterns are drawn in CSS, so nothing blurs when the panel goes fullscreen.
Pattern

Link to this colour

The address bar already holds the colour and pattern. Send this to someone and they get the same panel.
02 — Uses

What this colour is for

Dust and fingerprints
A white field turns every smudge into a shadow. Do this before you decide the panel is scratched.
Paper white
Hold the screen next to a sheet of paper. Paper runs warm or cool depending on the stock; most screens match neither.
Cheap fill light
A laptop at full white is a soft, slightly blue light source for small product shots. Ugly, works.
Projector check
White shows lamp uniformity and colour shift across the frame. Black shows the dust on the lens.
03 — Step by step

Testing a screen with it

  1. Turn the lights down

    Not off. You want to see the panel, not the reflection of a window.

  2. Fullscreen at 100%

    Half brightness hides every uneven patch you're looking for.

  3. Compare with paper

    Same light, side by side. Then decide whether you care about the difference.

04 — FAQ

FAQ

Is this #FFFFFF?

Yes. Pure white, all three channels at 255.

Why does it look yellow?

Night Shift, f.lux or a warm display profile is on. Switch it off before you judge anything.

Can I use it as a lightbox?

For tracing, roughly. A real lightbox is brighter and more even. For photos it's fine as fill.