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Browse the range on Tonghua Lighting, our main manufacturer website.
Compare warm, neutral and cool white light for the way you use a space. Start with a Kelvin range, then check a sample against the room’s finishes.
Select a room and activity to see a suggested color-temperature range.
Tell us about the room and how it’s used.
The primary space where the lighting will be installed.
How you primarily use the space refines the recommendation.
Limits the recommendation to 2700–3000K. This changes the suggested color temperature; it does not filter light from an installed lamp.
Warm white, around 2700–3000K, is a common choice for bedroom ambient lighting. Keep evening light levels low and use separate task lighting where needed.
From 1800K candlelight to 10000K blue sky. The highlighted band is your recommended range.
Include your preferred CCT, fixture type, and quantity when requesting a quote.
Browse the range on Tonghua Lighting, our main manufacturer website.
Color temperature describes the warm or cool appearance of white light. It does not measure brightness, color rendering or sleep effects. This selector suggests a starting range from room and usage presets.
Bedroom and relaxation presets both use 2700–3000 K, so that is the suggested range. Selecting an office and task lighting gives 4000–5000 K. These are design starting points, not mandatory standards.
Background on fixture efficacy, light quality and lifetime. The planning assumptions shown here are specific to this tool.
A quick-reference table of recommended color temperatures for common spaces. Need the right brightness too? Pair this with our room lumens calculator.
| Room Type | Recommended CCT | Appearance | Best For |
|---|---|---|---|
| Bedroom | 2700K–3000K | Warm White | Relaxation and sleep |
| Living Room | 2700K–3000K | Warm White | Relaxation and socializing |
| Kitchen | 4000K–5000K | Neutral / Cool | Food prep and tasks |
| Bathroom | 3000K–4000K | Warm Neutral | Grooming and makeup |
| Office | 4000K–5000K | Neutral / Cool | Focus and productivity |
| Retail / Showroom | 4000K–5000K | Neutral White | Display and color rendering |
| Restaurant | 2700K–3000K | Warm White | Dining ambiance |
| Hotel Lobby | 3000K–3500K | Warm White | Welcoming atmosphere |
| Warehouse | 5000K–5700K | Cool / Daylight | Visibility and safety |
| Outdoor Pathway | 3000K–4000K | Warm Neutral | Wayfinding and security |
Color temperature, measured in kelvin (K), describes the appearance of white light. Lower values look warmer; higher values look cooler. CCT does not tell you how bright a lamp is or how accurately it renders colors.
Red LEDs emit a relatively narrow band of red light. They are used in indicators, displays, and some night-lighting applications. CCT is a description of white light and is not a useful way to rate a saturated red LED.
Want fixtures that shift from warm to cool on demand? Check LED dimming compatibility for tunable-white and dimmable options. For office and commercial projects, our human-centric lighting guide covers tunable white specifications and WELL certification requirements. Concerned about flicker at certain color temperatures? Read our LED flicker guide. To estimate energy savings from an LED upgrade, try the LED ROI calculator.
Warm white (2700K) on the left shifts to cool daylight (6500K) on the right.
Warm white around 2700–3000K is a common bedroom choice. Check brightness and glare as well as color temperature, especially for lamps used close to bedtime.
For evening use, start with dim, warm lighting and avoid unnecessary bright light. Sleep effects depend on intensity, spectrum, timing, and duration; a Kelvin value alone cannot predict them. The warm-light option here only limits the suggested CCT range.
Warm white LED ranges from 2700K to 3200K and has a yellowish-orange tint similar to incandescent bulbs. Cool white LED ranges from 5000K to 6500K and has a bluish-white tint similar to noon daylight. Neutral white (3500K–4500K) sits between the two with a balanced, natural appearance.
You can use different CCTs for separate lighting layers, but compare them in the room before ordering. Fixtures seen together on the same surface usually look more consistent when their CCT and color tolerance match.
Choose CCT to suit the merchandise, finishes, and daylight. A clothing shop may prefer a warmer appearance than a jewelry display. Check CRI, R9, and samples separately; cooler light is not automatically more color-accurate.
Share your room data, target levels, or calculation result with the Tonghua team. We can confirm suitable models, quantities, and lead time.