Yellow Square 🟨
Copy & Meaning

A yellow square — the caution-color block representing warning zones, attention areas, and the yellow tier in multi-level alert systems. Yellow squares mark pedestrian crossings, safety zones in industrial settings, and caution areas in general.

In data visualization, yellow typically represents medium or intermediate values. Used for warning zone marking, traffic and pedestrian safety signage, data visualization where yellow indicates intermediate values, category color-coding, the caution level in tiered alert systems, and any context where a solid yellow block communicates that an area or category requires attention and careful navigation.