Scientific Test Tubes in Lab Rack - Data Visualization & Research Icon #1251377 (License: Personal Use)

This vector illustration features eight transparent test tubes with colored liquid layers (blue, yellow, green, orange) seated in a dual-level cyan lab rack. The clean, modern isometric design emphasizes clarity and organization, making it ideal for digital interfaces, infographics, or educational materials. The layered liquids suggest multi-step assays or comparative data visualization.

Commonly used on science education websites, biotech company landing pages, healthcare dashboards, or research grant proposals to convey experimentation, analysis, or innovation. Matches user intent for visual metaphors of testing, diagnostics, or data segmentation.