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The system’s genius lies in its simplicity: 213 distinct shades, each with a four-digit number and a name derived from natural phenomena, technical applications, or everyday objects (e.g., “Dusty Grey,” “Pastel Yellow”). This eliminates the ambiguity of verbal descriptions. Architects, product designers, and city planners rely on RAL Classic to coordinate finishes across different materials and suppliers, from window frames to fire extinguishers.

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