02 / Monitor test

Test your monitor in under a minute

Solid colour panels are still the fastest way to spot dead pixels, backlight bleed, banding, and dust. Cycle through, find issues, move on.

Tools recommended

Start with red See the full test set

02 / Used for

Best for

01
New monitor buyers

Run a 60-second check the moment a new display lands on your desk — before the return window closes.
02
PC builders & QA

Confirm panel health on every build, every refurbishment, every RMA decision.
03
Designers & retouchers

Catch colour-cast drift, gamut clipping, and uniformity issues before they ruin a deliverable.
04
Repair shops

A consistent, no-install test rig customers can run on their own phone, tablet, or laptop.

03 / How to use it

How to use it

Three steps. One panel. Done in under a minute.

01 / 03
Maximise the window

Press F11 or use the fullscreen button so the colour fills the panel edge to edge.
02 / 03
Step through colours

Red → green → blue → white → black. Each one isolates a different family of defects.
03 / 03
Note what you see

Stuck pixels, dust under glass, uneven brightness, tinted corners — write them down before you forget.

04 / Best for

Test your monitor in under a minute

#EF4444 Monitor test

Red screen

A saturated red. Hunt down stuck pixels, judge red-channel uniformity, or use it as a warm, dramatic backdrop.

#10B981 Monitor test

Green screen

A crisp green for chroma-key practice, green-channel monitor tests, or a botanical mood for product photography.

#3B82F6 Monitor test

Blue screen

A confident blue. Useful for blue-channel uniformity, classic chroma-key alternatives, and cool, sky-mood photography.

★

#FFFFFF Video calls

White screen

A clean, edge-to-edge white panel. Use it as a video-call light, a photo softbox, a backdrop for product shots, or a uniformity test for your monitor.

★

#000000 Focus & relax