How accurately does light reveal the colours in a space? CRI provides a useful starting point, but it does not tell the complete story. This practical guide explores spectral power distribution (SPD), CCT, Duv, colour fidelity, gamut, GAI and TM-30, including Rf, Rg and colour vector graphics.

Designed for architects, interior designers, lighting designers, engineers, developers and procurement teams, the guide explains how light sources can influence colours, finishes and materials. It also offers practical guidance on evaluating lighting data, comparing samples and conducting real-world mock-ups.

Download the guide to look beyond CRI and make more informed lighting decisions.

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