These TV test patterns can be freely downloaded and used for checking colour and backlight uniformity, pixel defects and dithering artifacts.

buy test patterns online: Burosch (10€/46 images)

mkdir skintones
cd skintones/

Download tv-test-pattern_skintones.svg, open with inkscape, export as PNG.

You can use an Android app, e.g. Color Namer (F-Droid), to check if the screen is displaying the right colour. It displays colours as hex RGB values (#rrggbb). If the channel's values are too high, you can reduce them in TV settings.

name pixel size [WxH] notes
HD 1280 x 720 also called HD ready
Full HD 1920 x 1080 also called 1080p
4K UHD 3840 x 2160 panel size
DCI 4K 4096 x 2160 what filmmakers use, gets cut off on your TV
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  • Last modified: 2021-01-19 12:36