Set your video call light somewhere around 5000K to 5600K as a sensible daylight-balanced starting point. That range is close to a common film-and-video daylight reference.[2] The better rule is to manage every source that lights you or the visible background. A warm lamp and a daylight-balanced key can create a more obvious color split than the smaller difference between 5000K and 5600K.
This is one piece of a larger setup. See our full video call lighting guide for placement, diagnosing your specific lighting problem, and choosing a light in the first place.
The Kelvin scale in plain terms
Color temperature is measured in Kelvin (K). Lower numbers look warmer and more orange; higher numbers look cooler and more blue. Household lighting packaging displays this as “light appearance” on a scale that typically runs from around 2,600K on the warm end to 6,600K on the cool end.[1]
Video and film lighting has long used reference points around 3,200K for tungsten-balanced lighting and 5,600K for daylight-balanced lighting.[2] Those numbers are equipment conventions, not fixed descriptions of every tungsten lamp or daylight condition; direct sun, shade, cloud cover, and time of day all shift the measured value.
Why 5000K to 5600K is a sensible default for video calls
This range reads as clean and neutral rather than noticeably warm or cool, which is generally what people want for a professional-looking call. It is close enough to daylight that it blends reasonably well with a nearby window, and most cameras handle it predictably since it lines up with the video industry’s own daylight reference point.[2]
It is a starting point, not a requirement. A slightly warmer setting, closer to 4500K, can still look perfectly natural, especially in a room already dominated by warmer light. What actually causes a call to look wrong is rarely “the number was slightly off.” It is a mismatch between two or more sources.
The rule that matters more than the number: consistency
A camera’s white balance can fully correct for one dominant color temperature at a time. When two mismatched sources both land in the frame, such as a warm desk lamp next to a daylight-balanced key light, or a cool-white overhead fixture next to a warmer key light, the camera has to pick one to treat as neutral, and the other one shows up as a visible orange or blue cast.
That is why matching every light in frame matters more than hitting a specific Kelvin number. If your room already has warm lamps you have no interest in replacing, set your key light closer to that same warm range instead of insisting on 5600K and fighting the rest of the room. If your room is otherwise neutral or cool, a daylight-range key light around 5000K to 5600K blends in more easily.
Common home light sources and their approximate color temperature
Use this as a starting point for identifying what affects the shot. A “soft white” lamp and a “daylight” key light can be roughly 2,000K to 2,500K apart, enough to create a visible warm/cool split when both illuminate the subject or background.
How to fix a color cast
- Identify which sources affect the image. Look for light falling on your face and for lamps, windows, or illuminated surfaces in the visible background. A source can matter even when it sits outside the camera frame if its light reaches you.
- Pick one color temperature to standardize on, based on whichever source is hardest to change. A large window is harder to modify than a lamp, so match your key light closer to daylight if the window dominates, or closer to the room’s warm lighting if there is no strong window influence.
- Turn off or move competing sources when possible. A single overhead fixture left on alongside a correctly matched key light can still introduce a mismatch; sometimes the simplest fix is switching it off entirely and letting your key light do the work.
- Adjust for time of day if your key light supports it. A room that is daylight-balanced in the afternoon can shift warmer once the sun goes down and lamps take over; an adjustable-Kelvin light lets you follow that shift instead of staying locked to one setting all day.
If your current light cannot match the dominant source, the key-light comparison lists the published adjustment ranges for compact, full-size, and battery-powered options.
Does my camera’s auto white balance fix this for me?
Partially. Zoom’s support documentation describes built-in features that adjust brightness for low light and can dim the background to bring a presenter forward, which are useful but address exposure and brightness rather than color balance across mismatched sources.[3] Auto white balance generally performs reasonably well under one consistent light source. It performs far less reliably once two or more mismatched sources compete in the same frame, because it can only fully correct for one of them at a time. Matching your lights before the call starts is a more reliable fix than expecting software to sort out a genuine mismatch afterward.
Common mistakes
Buying a fixed-temperature light without checking the room. A daylight-only light can create a visible split in a room dominated by warm lamps, and a warm fixed light can conflict with a strong daylight window. Check the dominant source before choosing.
Leaving a competing lamp on out of habit. A warm lamp that is not actually needed once your key light is in place is a common, easy-to-miss source of color cast.
Chasing an exact number instead of a match. Cameras can show a difference between 5000K and 5600K, especially with white balance locked, but that gap is usually less disruptive than mixing a 2700K lamp with a 5600K key. Match the dominant sources first, then fine-tune.
Ignoring the shift from day to evening. A setup that looks neutral at 2 p.m. can pick up a cast at 7 p.m. once daylight fades and interior lamps become the dominant source.
The bottom line
Start around 5000K to 5600K if you have no strong reason to choose otherwise. Then check every source lighting you or the visible background and bring the dominant sources into the same general range. If overhead fixtures are the competing source, the overhead-lighting guide explains when to switch them off and when to add front fill. A coherent 4500K setup can look more natural than one 5600K key fighting a much warmer lamp.
FAQ (Frequently Asked Questions)
What color temperature should I set my video call light to?
Somewhere around 5000K to 5600K, which reads as neutral, daylight-like light on camera. That is a sensible starting point, but it matters less than making sure every light source visible in your frame is close to the same color temperature as each other.
Why does 5600K specifically come up so often?
Around 5600K is a common daylight-balanced reference for film and video lighting, often paired with 3200K tungsten-balanced gear. It is a convention rather than a fixed description of daylight, whose color temperature changes with time, weather, and whether the subject is in direct sun or shade.
Is it bad to use a warmer color temperature at night?
Not necessarily. If the rest of your room is lit by warm lamps you are not going to replace, setting your key light to roughly match them looks more natural than forcing a cooler, daylight-balanced light into a warm room. Consistency across every source in frame matters more than hitting 5600K specifically.
Why does my video call look orange or blue even though my light is set correctly?
First check for a mismatch between two or more sources. A warm lamp next to a daylight-balanced key light, or a key light next to a cool-white overhead fixture, can create a split cast because one white-balance correction cannot make both differently lit areas neutral at once.
Can my camera's auto white balance fix a color temperature mismatch?
Only partially. Auto white balance generally does a reasonable job under one consistent light source, but it struggles with two or more mismatched sources in the same frame, since it has to pick one to correct for and the rest stay off. Matching your lights is a more reliable fix than relying on software to sort it out.
Do I need a light with adjustable color temperature?
It helps, but it is not mandatory. A fixed-temperature light works fine as long as it reasonably matches the other light sources in your room. Adjustable lights make it easier to match a specific room, match the rest of your home as it changes from daytime to evening, or fix a cast without buying a second light.