05COLOUR RESPONSE / RGB + CMY

Fullscreen Monitor Color Test

Use exact primary and secondary colours plus progressive saturation to inspect colour response, tinting and uniformity across your panel.

Browser-generated pattern · Not a laboratory measurement

PROTOCOL / 01—04

How to use this test

01
Clean the screen gently and let it reach its normal operating temperature.
02
Set browser zoom to 100% and use the brightness and picture mode you normally use.
03
Start fullscreen mode. Use arrow keys, Space, click or touch to change patterns.
04
Observe from your normal position first, then move closer only to inspect a detail.

OBSERVE

What to look for

Patches or edges with a different hue
Unexpected dullness or clipping in intense colours
Pixels that remain a different colour

INTERPRET

How to read the result

Large hue differences across one field may indicate uniformity issues. Saturation is subjective without a reference and accurate measurement requires an instrument.

LIMITS

Limits of a browser test

Wide-gamut displays, browser colour management and display presets can change appearance. Pure CSS values do not guarantee a measured hardware output.

FAQ

Frequently asked questions

01Are these reference colours for calibration?

They are exact digital RGB values, but the measured light depends on the entire colour-management and display pipeline.

02Why are colours more vivid on one device?

Different gamuts, presets, brightness levels and colour management can all change perceived saturation.

Fullscreen Monitor Color Test

How to use this test

What to look for

How to read the result

Limits of a browser test

Frequently asked questions

Continue checking

Grayscale

Color banding

Contrast detail