Royalty-Free Testing Photos, orientation: vertical, dominant color: white

1280x1920

clear glass test tubes with blue liquid

Public Domain
2480x3201

white ruled paper with black texts

Public Domain
3264x4896

tilt shift lens photography of clear glass test tube with red liquid inside

Public Domain
3200x4800

shallow focus photography of cyan liquid filled test tube

Public Domain
3200x4800

person in purple gloves holding test tube with liquid

Public Domain
1280x1920

person holding glass bottle

Public Domain
3200x4800

person wearing purple gloves holding text tube

Public Domain