How would you say the English words pure light in French?

"Pure light" in French can be translated in a couple of ways, depending on the context:

1. "Lumière pure" - This is the most direct and literal translation.

2. "Lumière immaculée" - This translation emphasizes the purity and innocence of the light, making it more poetic.

3. "Lumière céleste" - This translation emphasizes the divine or celestial nature of the light.

4. "Lumière divine" - Similar to "lumière céleste," this emphasizes the divine nature of the light.

The best translation for you will depend on the specific context and meaning you wish to convey.