PNG · 8.5 KB
Test pattern: RGB channel gradients
Separate black-to-full ramps for red, green and blue — for spotting channel banding and color casts.
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curl -L -o test-pattern-rgb-gradients.png https://files.samplefiles.com/image/png/test-pattern-rgb-gradients.pngwget https://files.samplefiles.com/image/png/test-pattern-rgb-gradients.pnghttps://files.samplefiles.com/image/png/test-pattern-rgb-gradients.pngprintf '%s %s\n' d341c8154bd97b2227481c1f8f6ae082e074b52597ca560d75117751c5fc9f97 test-pattern-rgb-gradients.png | shasum -a 256 -cOr check the download in your browser with the checksum calculator.
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