Lab Test Tubes with Color-Coded Samples - Scientific Experiment Visualization #1858806 (License: Personal Use)

This vector illustration depicts four upright test tubes containing green, orange, pink, and blue liquids, organized across three horizontal tiers of a lab rack. Each tube is uniformly sized with a white cap and black outline, emphasizing clarity and visual consistency for educational or presentation use. The layered arrangement suggests sequential testing, titration, or comparative analysis in a controlled laboratory setting.

Used on educational websites, science blogs, lab procedure guides, or product pages for lab equipment; supports user intent around understanding experimental setups, sample identification, or classroom demonstrations.