Does your monitor support ICC colour profiles? Green YES - Red NO
Can your monitor display a wide colour gamut?
If you see a uniform red square, your monitor cannot display a wide gamut of colours.
If you see the W letter inside the square, your monitor is wide gamut.
How far from sRGB is your display color gamut? The more difference you see inside the squares, the further your display color gamut is from sRGB standard.
ProPhoto tagged image
sRGB tagged image
How does your browser interpret untagged images? All untagged images and page elements should be considered sRGB by the web browser, according to The World Wide Web Consortium (W3C). If your browser respects this standard, you should see perfectly uniform colour squares above.
sRGB untagged
sRGB tagged image
How does your browser interpret page elements? All untagged images and page elements should be considered sRGB by the web browser, according to The World Wide Web Consortium (W3C). If your browser respects this standard, you should see perfectly uniform colour squares above.
Untagged CSS element
sRGB image
sRGB vs DCI-P3 Display vs Rec2020
- sRGB
- DCI-P3 Display
- Rec2020
Is your browser ready with recent image formats?
WEBP
AVIF
HEIC
JPEG-XL
Can your monitor and your browser display a HDR image? If the bottom of each square appears much brighter your browser supports HDR images in AVIF format (an HDR monitor is required).
Display P3 SDR image - JPEG
Display P3 HDR image - AVIF