E12 candelabra bulb color temperatures

E12 is sold in five common color temperatures - 2200K, 2700K, 3000K, 4000K and 5000K - with 6000K at the far end and tunable smart versions available but rare. For a chandelier, a wall sconce or a ceiling fan light kit, buy 2700K. That is not a hedge: it is where the format's best bulbs are, it suits the rooms E12 fittings actually hang in, and it is the only step with real choice at CRI 90 and above.

The reason the question gets asked at all is that E12 feels like a restricted format. Walk a store aisle and the candelabra section is a third the size of the standard one, with far fewer labels on the box. That impression is half right. The base imposes nothing - a 12 millimeter screw thread carries current and holds glass, and the LED inside is the same technology sold in every other package. What is genuinely narrower is the range retailers stock, because E12 goes into decorative fittings and decorative fittings are bought on looks.

So the useful version of the answer is not a list of kelvin values. It is which values you can actually buy well, which ones exist but come with compromises, and the two things E12 barely offers at all.

Each step below is a color temperature you can buy today in a candelabra base. The last column is the honest part: how much choice exists at that step, as opposed to whether a single bulb exists.

Two patterns are worth pulling out of that table. The first is that the depth of choice collapses as you go up the scale: at 2700K there are dozens of E12 bulbs including several that publish CRI 90 or better, while at 4000K most of what exists sits at CRI 80 to 85 and says nothing else. The second is that the marketing names drift badly at the top. One of the picks below is a perfectly good 4000K bulb whose own listing calls it daylight, and 4000K is not daylight - daylight starts around 5000K. The full decoder for that problem is in the color temperature chart.

Most color temperature advice is written for a room with one or two sockets, where a bulb that is slightly off is a mood you adjust to. E12 is different, because E12 fittings almost always hold several bulbs and almost always show them.

Mismatches are visible, not subtle. A 2700K bulb next to a 3000K bulb in the same chandelier is immediately obvious - one reads yellow, the other reads white, and the eye compares them because they are six inches apart in the same sightline. In a floor lamp across the room from a table lamp, the same 300K gap passes unnoticed.

The bulbs are part of the fitting's appearance. In an exposed chandelier the glass is as visible as the metal, which is why amber-glass 2200K bulbs are a whole category and why clear filament shapes sell at every step on the ladder. This is the one place in a house where buying a bulb for how it looks switched off is a legitimate decision.

Replacement is a set problem. When one bulb in six dies in three years, the matching bulb may not be on sale any more - and a single replacement that is 200K out is more noticeable than the dead socket was. Keep one spare from the original pack, which is a good reason to buy six-packs rather than singles even for a five-socket fitting.

E12 fittings cluster in a handful of places in a house, and each has a defensible answer.

• Dining room chandelier - 2700K. The light lands on food and faces, which is also the argument for paying for CRI 90 here rather than anywhere else in the house. 2200K is a legitimate alternative if the chandelier is decorative and another light does the work.
• Living room chandelier or sconces - 2700K. Same reasoning, and it matches the A19 bulbs in the lamps around it. Matching matters more than the absolute value.
• Bathroom sconce or vanity - 3000K. Warm enough at seven in the morning, clean enough to judge color at a mirror. Going to 4000K here is a real choice rather than a mistake, but it is a cold one in a small room.
• Kitchen fitting - 3000K. Surfaces and work, with enough warmth that the room still reads as part of the house.
• Ceiling fan light kit - 2700K or 3000K, depending on the room it is in. These are the E12 sockets most likely to be a room's main light, so output matters more here than shape.
• Hallway, laundry, garage or basement fitting - 4000K. Neutral, bright, and nobody is eating under it.

Whatever you choose, apply it to the whole fitting and ideally to the whole room. The general case is covered in the color temperature chart, and the warm end specifically in 2200K vs 2700K.

These are not ranked against each other, because they are different colors for different rooms. Each is the one we would buy at that step, and all five are currently sold.

2700K - Satco 5.5W B11, 90 CRI, the one most people want. 500 lumens at 2700K with a published 90 CRI, in the vintage B11 shape. The published CRI is the point: it is unusual in this format and it matters most in exactly the room chandeliers hang in.
Who it is for: a dining or living room chandelier. Who should skip it: anyone with a fitting that uses small shades, where the decorative shape is wasted.
Cons: enclosed-fixture suitability is not stated; slightly higher wattage than rivals for the same 500 lm.

3000K - Hizashi B10, 90+ CRI, for a kitchen or a bathroom. 450 lumens at 3000K with a published 90+ CRI and a UL listing, twelve to a pack. The half-step between living-room warm and task neutral, and one of the few bulbs at this step that states its color accuracy at all.
Who it is for: a bathroom sconce, a kitchen fitting, a hallway. Who should skip it: anyone with one small sconce - twelve bulbs is a lifetime supply.
Cons: 450 lm is modest; B10 is slim and looks sparse in a fitting built for fatter bulbs; enclosed-fixture suitability is not stated.

2200K - FLSNT amber B11, when the fitting is the point. 330 lumens at 2200K in amber glass, UL and CA65 listed, six to a pack. The warmest color E12 is widely sold in, and the one that reads as flame rather than as a bulb.
Who it is for: an openly decorative chandelier with another light doing the real work. Who should skip it: anyone whose chandelier IS the room's light - six of these is 1,980 lm of deeply orange light.
Cons: no CRI published, and amber glass filters color heavily regardless; obvious as a mismatch beside any 2700K bulb in the same room.

4000K - Cotanic clear filament B11, for a utility fitting. 600 lumens at 4000K with CRI 85+, six to a pack - the brightest bulb here and a genuinely useful neutral for a laundry or hallway fitting that happens to be decorative.
Who it is for: hallways, laundries, garages, fan kits used as work light. Who should skip it: a dining room, categorically.
Cons: the listing calls 4000K daylight, which it is not; clear glass shows the filament and can be glary at eye level; enclosed-fixture suitability is not stated.

5000K - FLSNT CA11, 90+ CRI, if you genuinely need daylight. 550 lumens at 5000K with a published CRI 90+, UL and CA65 listed, six to a pack. A 90+ figure at the cool end of E12 is rare, and it is what separates a usable task bulb from a cheap blue one.
Who it is for: a slim fan kit or a utility fitting being used for task work. Who should skip it: a bedroom fan, where 5000K at bedtime is the wrong light entirely.
Cons: cool for most rooms an E12 fitting is in; rated life not published; enclosed-fixture suitability is not stated.

If you have shopped A19 bulbs recently, two features are now so normal that their absence in E12 is a genuine surprise.

Selectable color temperature. A standard A19 with a small switch on the base, offering 2700K through 5000K, is ordinary and cheap - color-selectable bulbs covers that category. In E12 it is close to absent. There is not much mystery about why: the switch needs somewhere to live, and a candelabra bulb is a narrow stem with a 12 millimeter base. The practical consequence is that with an E12 fitting you commit to a color at purchase, so it is worth being right the first time.

Published CRI across the range. At 2700K and 3000K you can find CRI 90 and above without much trouble. Above that it thins out quickly, and a large share of E12 listings print no CRI figure at all. In a format whose entire job is lighting a dining table or a face at a mirror, that is backwards - which is why the picks on this page lead with the CRI figure wherever one is published, and say plainly where one is not.

Everything else transfers normally from the standard bulb aisle: dimmable versions are common and clearly labeled, filament and frosted finishes are both available at every step, and the shape codes behave exactly as they do elsewhere - bulb shapes and bases decodes B11, B10 and CA10 if the letters are new to you.