test pattern with grayscale bars

1920 × 1200

color calibration chart

2560 × 1600

Digital photography test chart

3024 × 2016

color chart with portrait

2612 × 2100

monitor calibration test pattern

2048 × 1536

standard test pattern

1920 × 1080

Peace Walker test pattern

1280 × 1024

gray triangle pattern background

1600 × 1000

gray dot pattern background

1600 × 1011

abstract gray pattern

1280 × 800

gray circular pattern

1680 × 1050

vertical grayscale stripes pattern

1280 × 800