What is Flexible Dim to Warm LED Strip Light and how does it achieve its color shift?

Flexible Dim to Warm LED strip light is a linear lighting product that changes its correlated color temperature (CCT) as it dims, typically from a brighter, cooler white to a warmer, more amber tone. This effect is achieved by integrating two distinct CCT LED chips on the same FPCB, commonly 2700K and 6500K. As the strip dims, the power to the cooler CCT LEDs is proportionally reduced more than to the warmer CCT LEDs, creating the desired aesthetic.

What dimming protocols are compatible with Dim to Warm LED strips?

Dim to Warm LED strips primarily utilize PWM (Pulse Width Modulation) dimming. Compatible control systems include 0-10V, DALI, DMX, and Triac, requiring appropriate constant voltage LED drivers that output PWM signals to control the two distinct CCT channels on the strip. Ensuring driver compatibility with both the strip's voltage and the control protocol is essential for proper operation.

What are the typical CCT ranges and CRI values for DENO LED's Dim to Warm strips?

DENO LED's Dim to Warm strips are engineered to transition smoothly across a specified CCT range, commonly from 6500K down to 2700K or 2200K. All our Dim to Warm products maintain a high Color Rendering Index (CRI) of >90, ensuring accurate color rendition across the entire dimming spectrum. We also offer options with 1 SDCM binning for consistent color quality.

Can Dim to Warm LED strips be cut and reconnected, and what are the limitations?

Yes, Dim to Warm LED strips are designed with designated cut marks, typically every 50mm or 100mm, allowing for field customization of length. Each cut unit contains the necessary circuitry for independent operation. Reconnection requires soldering to designated pads or using specific connectors, ensuring proper polarity and channel alignment for both CCTs. Cutting outside designated marks will damage the circuit.

What Is a Dim to Warm LED Strip Light?

By DENO LED Lighting · 2024-06-17

Dim to warm explained for lighting specifiers: how a dual-CCT LED strip shifts from about 3000K to 1800K as it dims, how it differs from tunable white, which DENO models exist, and what to check before ordering.

Dim to warm LED strip glowing from neutral white to amber

1. What dim to warm means

Dim to warm is a dimming behaviour in which the correlated colour temperature (CCT) falls together with the light level, instead of staying fixed. A DENO dim to warm LED strip runs at roughly 3000K at full output and settles near 1800K at the bottom of its dimming range. It reproduces what people already know from halogen and incandescent lamps: as the filament cools, the light becomes both dimmer and warmer.

2. How a dim to warm LED strip works

The board carries two LED types in an alternating layout — a warm 1800K LED and a cooler 4000K LED. As the dimming level drops, the circuit reduces the 4000K LEDs faster than the 1800K LEDs, so the mixed light moves from neutral-warm white toward a candle-like amber.

Alternating 1800K and 4000K LEDs on a dim to warm strip

Colour path: about 3000K at 100% output down to about 1800K at minimum.
Dimming range: smooth from 100% down to approximately 1%.
Lower brightness always means a lower colour temperature.
Because both LED types sit at a short pitch, the two colours blend before the light leaves the diffuser — LED pitch and diffuser depth matter as much as the driver.

Dim to warm colour temperature falling with brightness

3. Dim to warm vs tunable white

Feature	Dim to warm	Tunable white (CCT)
Control	Brightness and CCT linked on one fader	Brightness and CCT set independently
Typical CCT range	About 3000K → 1800K	Typically 2700K–6500K
User experience	Familiar halogen-style sunset dimming	Full control for task, circadian or photo spaces
Risk of wrong scene	Low — the space cannot be left at a cold CCT	Higher — an operator can leave a restaurant at 6000K

Choose tunable white where users need independent colour control. Choose dim to warm where the client wants one simple control and a warm evening atmosphere every time.

4. DENO dim to warm LED strip models

2835 dim to warm LED strip — 168 LEDs/m (84 × 1800K + 84 × 4000K), 12mm PCB, 24V. Full spectrum available on this series.
2216 dim to warm LED strip — 224 LEDs/m (112 × 1800K + 112 × 4000K), 10mm PCB, 24V; also as a 6mm ultra-narrow version for slim profiles.
High density dim to warm LED strip — 420 LEDs/m (210 × 1800K + 210 × 4000K), 10mm PCB, 24V, 33.33mm cut.
SOB dim to warm LED strip — 420 LEDs/m, dot-free continuous line for shallow coves and close-range reveals.

CRI options are CRI>90 and CRI>95, plus full spectrum on the 2835 series. A custom starting CCT, for example 2700K, is available on request.

5. Where dim to warm belongs

Hospitality is the primary market: restaurants, bars, hotel guest rooms and lobbies, private dining and high-end residential spaces where the evening scene must feel warm without looking dull. It also suits retail displays of wood, leather, jewellery and warm metals, and heritage interiors whose reference light source was incandescent. It is the wrong choice for colour-critical inspection work, where a fixed high-CRI source is required.

Dim to warm LED strip in a hospitality interior

6. Specifying and commissioning checklist

Control protocol. Confirm the controller or driver for the exact model (for example PWM, 0-10V, DALI or phase-cut via a suitable driver). The colour curve depends on the strip and its control together, so ask DENO for the matched control list.
Low-end behaviour. The system should dim smoothly to about 1% without visible steps or flicker. If the space will be filmed, state a flicker target.
CRI at the warm end. For hospitality work, specify CRI>90 or higher.
Run length and feed points. Uneven voltage drop on a long run can shift colour as well as brightness — check it in the ProCalc voltage drop calculator.

7. Common installation mistakes

Mixing drivers or controllers from different families on adjacent runs, which causes visible colour mismatch at the same dim level.
Using a dimmer that is not suited to the strip, which removes the warm-dim effect.
Cutting outside the printed cut marks, which breaks one LED group and leaves a section stuck at one colour temperature.

8. Frequently asked questions

How warm does a dim to warm LED strip get?

DENO dim to warm strips reach about 1800K at minimum output.

Can the dim to warm range be customised?

Yes. A different starting CCT, such as 2700K, can be built on request.

Can a dim to warm LED strip be waterproofed?

Yes. The same silicone constructions used on single-colour strips can be applied; confirm the IP rating for the specific model.

Where can I compare all models?

See the dim to warm LED strip series and the SOB dim to warm version.

Dim to warm LED strip videos

Dim to Warm — 0–100% Smooth Dimming — 0–100% smooth dimming with natural CCT transition. High-density design allows seamless color temperature adjustment.
Dim to Warm Series LED Light — Two built-in LED lights: cool white and warm white. Seamlessly transition color temperature from 3000K to 1800K by adjusting brightness.

Dim to warm LED strip models

Samples and custom starting CCTs on request — ask for a quotation.