Material Design

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Material Color: How to Specify Color for Physical Production

Digital color and physical color are different problems. This guide covers the essential concepts for designers specifying color in physical production: substrate effects on color perception, finish specification, Pantone series selection for different materials, and why digital-first brands consistently fail their first physical production run.

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Key points

Surface finish is the most underestimated variable in material color specification. The same Pantone applied to glossy and matte substrates can differ by 5-8 perceived lightness points and 15-20% in apparent saturation. Always specify finish (gloss units at 60°) alongside the Pantone reference.

Translucent and backlit materials require separate specification from reflected-light materials. A pale blue translucent panel over white reads entirely differently over black — and neither matches the screen value. Backlit color must be sampled under representative illumination.

Brand color should be anchored in a physical material standard (a Pantone chip under D65/10° reference lighting), not a hex value. All digital specifications should be derived from the physical anchor — the reverse process (physical derived from screen) consistently produces unacceptable production variation.

Pantone series selection by substrate type

Pantone publishes separate systems for different material categories — selecting the wrong series is a common source of production color error. Pantone+ Coated (C) and Uncoated (U): for paper and board. The same Pantone number in C and U variants specifies different ink mixes because coated paper requires different formulation to achieve the same perceived color. Pantone+ Plastics (P): for injection-molded and extruded plastic components — formulated for polymer substrates. Pantone+ Metallics (M): for metallic ink applications on paper. Pantone+ Textile (TPX): for fabric and soft goods — color references are woven fabric samples, not ink-on-paper. Never cross-specify: using a Pantone Coated number for a textile application will produce a mismatch because the physical reference material is different.

Material color for brand identity: the production-first workflow

The production-first workflow: (1) Define the brand color intent as a physical Pantone chip in the appropriate series for the primary production context (packaging, usually Pantone+ Coated). (2) Photograph the approved chip under D65 reference lighting and derive the closest sRGB equivalent. (3) Use the sRGB value as the digital primary; derive the hex from the photograph, not from the Pantone formula. (4) For each new substrate (textile, plastic, signage), request production samples matched to the original physical standard, not to the hex. This workflow maintains physical consistency as the primary requirement and treats digital color as a derived specification, which is appropriate for brands where physical materials are the primary brand expression.

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