What the Ra number tells you
General CRI, or Ra, averages the rendering of a defined set of test colors. A higher value normally indicates that colors appear closer to their reference under the tested light source.
Ra alone does not describe every saturated color. Professional evaluation may also consider R9 for strong reds, spectral distribution and modern color-fidelity metrics depending on the project requirement.
Where Ra98 earns its place
Ra98 is especially relevant for restaurants, premium hotel rooms, fashion retail, galleries and high-end residential interiors. Rich reds, wood finishes, textiles and skin tones can appear more natural and differentiated.
In back-of-house areas or circulation spaces, Ra90 may provide the right balance between efficiency and color quality. The best portfolio gives buyers options instead of applying one specification everywhere.
Consistency matters as much as fidelity
A project can use high-CRI lamps and still look inconsistent if chromaticity varies from lamp to lamp. Specifying three-step SDCM or better helps maintain a uniform appearance across ceilings and repeat installations.
Also verify color-temperature tolerance and batch control. Replacement stock should remain visually compatible with the original installation.
Approve with physical materials
Compare samples using the actual fabrics, wall finishes, food displays or merchandise used in the space. Conduct the review at the intended illuminance and color temperature.
TECO offers GU10 and MR16 configurations up to Ra98, allowing brands and project teams to match light quality, beam angle and dimming behavior to the application.
Testing a GU10 or MR16 configuration?
Share your application, dimmer and target market. Our English-speaking technical team will reply within 24 hours.
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