When you review track light specs, you’ll typically see a number like CRI > 80 or Ra 90+ listed alongside the wattage and beam angle. Most buyers scroll past it. This guide explains why that’s a mistake, and what the difference between these values actually looks like in a real room.
CRI (Color Rendering Index) is a number from 0 to 100 that measures how accurately a light source renders the colors of objects compared to natural daylight (which scores 100 by definition).
In product specifications, CRI is frequently written as Ra (e.g., Ra 80, Ra 90, Ra 95). These terms are interchangeable.
Track lighting is used in contexts where the appearance of objects is the point — product displays, artwork, food, textiles, skin tones. Unlike a utility light in a stairwell, a track light is usually aimed at something that needs to look its best.
With low CRI:
High CRI reverses all of these. The same objects, under the same fixture wattage, simply look better.
Ra 80 is the minimum standard considered acceptable for general spaces. It is fine for areas where color accuracy is irrelevant.
Appropriate for:
Limitation: Color rendering errors are noticeable to a trained eye, and can be detected by most people when comparing side-by-side with Ra 90+.
Ra 90 is the threshold where colors begin to look genuinely accurate. Multiple international standards (including EN 12464) specify Ra 90 as the minimum for residential and office spaces where visual comfort matters.
Appropriate for:
At Ra 90, saturated colors — particularly reds, oranges, and greens — appear noticeably more vivid and true compared to Ra 80. Most people can detect the difference without training.
Ra 95 is the premium tier, approaching the fidelity of natural daylight. The improvement over Ra 90 is most visible in applications where accurate color directly affects decision-making or commercial outcomes.
Required for:
A common point of confusion: CRI and Color Temperature (Kelvin) are independent variables.
A 3000K warm white bulb can have CRI 80 or CRI 95 — it depends on the chip quality, not the color temperature. You need to specify both for the application.
| Space | Recommended CRI |
|---|---|
| Warehouse, corridor, utility | Ra 80 |
| Home, office, general retail | Ra 90 |
| Fashion retail, gallery, restaurant | Ra 95 |
| Photo studio, jewelry, color-critical work | Ra 95+ |
Default recommendation: If unsure, choose Ra 90. The cost difference over Ra 80 is modest, but the visible quality improvement is significant. Ra 95 is only necessary when accurate color is commercially important.
All Striva track lights are specified with appropriate CRI for their intended application. Read more at Striva blog or contact the team for recommendations specific to your project.