Guide
RGB vs RGBW permanent lighting
RGB lights mix red, green and blue to make their colours, including a white that is really three colours pretending. RGBW adds a fourth, dedicated white LED. For permanent lighting, where the system spends most of its life in white, that fourth channel is usually the difference a customer can see from the street.
The short answer
Choose RGBW when the system will be used as everyday architectural lighting, warm white most nights, colour for occasions. The dedicated white LED renders cleaner, warmer whites than an RGB mix. RGB alone suits budgets and uses that are genuinely colour-first, where white is occasional.
Why mixed white looks different
Three coloured LEDs at full power do produce white light, but it tends toward a cool, slightly tinted white, and warm tones are hard to reach convincingly. A dedicated white die is built to produce white, so fascia lighting reads like intentional architectural lighting rather than like holiday lights left on.
What it means on the roofline
- Everyday elegance: most permanent lighting systems run white far more nights than colour. That's the channel worth buying quality in.
- Colour is unaffected: reds, greens, blues and mixed scenes look equally vivid on both.
- Whites plus colour together: RGBW scenes can blend white with colour (white with warm accents, candy-cane with true white) that RGB can only approximate.
Choosing for an install
Ask what the system's Tuesday-night job is. If the answer involves the house looking good in white, spec RGBW. Talk through the current lineup with our team before quoting: contact us or browse the lights we stock.