Home Product Information What Is Dim-to-Warm Technology?

What Is Dim-to-Warm Technology?

Last updated on Mar 16, 2026

What Is Dim-to-Warm Technology?

Dim-to-Warm (sometimes written as DTW or 4MDV) is an advanced LED technology that changes both brightness and colour temperature as you dim, just like a traditional incandescent or halogen bulb did.

How It Works

Standard LED bulbs maintain a fixed colour temperature regardless of how bright they are. If you set a 2700K bulb to 20% brightness, it still emits 2700K light; it just looks dimmer.

Dim-to-Warm bulbs are different. As you reduce the brightness, the colour temperature automatically shifts warmer:

| Brightness Level | Approx. Colour Temperature | |---|---| | 100% (full brightness) | ~2700K (warm white) | | 50% | ~2200K (soft amber) | | 10-20% | ~1800K (candlelight glow) |

This creates a natural, atmospheric progression that feels organic and luxurious, much closer to the experience of dimming a halogen or incandescent bulb.

Why It Matters

When you dim a standard LED to a very low level, the cool-white or neutral undertones in the light can become more apparent, making the ambience feel clinical or flat. Dim-to-Warm eliminates this problem by pushing the colour temperature into the warm amber range at low levels.

This makes it ideal for:

  • Living rooms and dining areas where you want a relaxed, intimate atmosphere in the evenings
  • Bedrooms where warm, low-level light supports healthy sleep routines
  • Restaurants, bars and hospitality where ambience is part of the experience
  • Feature lighting such as pendants and statement fittings where you want maximum visual warmth

Dim-to-Warm vs. Standard Dimmable LEDs

| Feature | Standard Dimmable LED | Dim-to-Warm LED | |---|---|---| | Changes brightness when dimmed | Yes | Yes | | Changes colour temperature when dimmed | No | Yes | | Mimics incandescent/halogen feel | No | Yes | | Ideal for ambience and mood lighting | No | Yes |

Does Dim-to-Warm Require a Special Dimmer?

Yes. Dim-to-Warm bulbs need a compatible LED dimmer switch to work correctly. We recommend using the LiquidLEDs Pixie Dimmer, which is specifically designed and tested to work with our Dim-to-Warm range.

Using an incompatible dimmer may result in the colour shift not working, visible flicker, or the bulb not dimming smoothly.

LiquidLEDs Dim-to-Warm Range

Browse our Dim-to-Warm bulbs at liquid-leds.com. If you are not sure which model suits your fitting or fixture, our team is happy to help. Contact us or call +61 2 8880 9033 (weekdays 8am-6pm AEDST).