How to compare warm and cool monitor settings

Your monitor looks yellow in one setting and blue in another, but it can be hard to tell which is more accurate. A warm or cool preset changes the screen's white point, which affects how white, gray, and other colors appear.

Compare the settings under the same conditions, rather than switching back and forth while other display features are changing. The Display Test provides color patterns you can use to check the screen while you compare.

Compare the color settings

1. Open the Display Test on the monitor you want to check. Make the test large enough to see clearly, and use the available color patterns, especially white or gray if shown.
2. Open the monitor's on-screen menu using its physical buttons or joystick. Find the color temperature or picture color setting. Menu names differ by monitor, so look for options such as Warm, Cool, Standard, or a number in kelvins.
3. Choose one setting and look at the same white and gray areas for about 10 seconds. Note whether white looks yellowish, neutral, or bluish, and whether gray looks evenly gray.
4. Switch to another preset without changing brightness, contrast, or other picture settings. Compare the same areas again from the same seat and viewing angle.
5. Repeat with any presets you are considering. If your monitor offers a custom color temperature, try it only after comparing the presets, and note the original setting so you can restore it.

Keep the room lighting and screen brightness steady. A bright window, a lamp with warm bulbs, or an automatic brightness feature can make a fair comparison difficult.

What the result means

The warm setting looks yellow or orange

A warm setting reduces the screen's blue appearance, so white can look cream-colored. This is normal. A lower color temperature, such as 5000K, generally looks warmer than a higher value, such as 6500K, but the exact look varies by display.

The cool setting looks blue

A cool setting makes white appear bluer. That can seem brighter or more vivid at first, but it does not necessarily mean the monitor is more accurate. Compare neutral gray as well as white, since a blue cast can be easier to spot in gray.

One setting looks neutral and colors stay distinct

That preset may suit everyday use, especially if white and gray look even and colored test patterns remain easy to distinguish. For photo or design work, a comfortable-looking screen is not proof of accurate color. Reliable color matching may require a calibration device and a suitable color profile.

One side of the screen looks different

A color temperature preset usually affects the whole image. If one area looks noticeably warmer, darker, or tinted than another, check the screen straight on and inspect it with a neutral pattern. The difference may be uneven backlighting, a viewing-angle effect, or a display fault rather than the warm or cool setting.

Make the comparison fair

1. Turn off changing color features. Disable the monitor's blue-light filter, reading mode, or automatic color adjustment while comparing presets. These features can shift the picture independently of the color temperature setting.
2. Pause night color modes. In Windows 11, go to Settings › System › Display and turn off Night light. On a Mac, open System Settings › Displays › Night Shift and turn it off. If your Mac shows True Tone, turn it off for the comparison too.
3. Keep brightness unchanged. Use the monitor's brightness control to set a comfortable level before comparing, then leave it there. A brighter image can seem cooler or more vivid even when its color setting has not changed.
4. Use the same viewing position. Sit centered in front of the screen and avoid comparing from different angles. Some LCD panels shift in brightness or color when viewed from the side or above.
5. Return to the original setting if needed. If a custom adjustment makes the picture look worse, restore the saved preset or reset only the monitor's picture settings. Avoid a full factory reset unless you are prepared to set up the other monitor options again.

Choose a setting for your use

For reading and general work, pick the setting that looks comfortable in the lighting you normally use. A warm preset can feel less harsh in a dim room, while a more neutral setting may make whites look closer to paper in a brighter room. Your preference is a valid reason to choose a preset, as long as you are not using the screen for color-critical work.

For editing photos or preparing artwork, avoid changing color temperature based only on which preset looks most vivid. Keep the room lighting moderate and consistent, turn off night modes, and use a calibrated display if colors need to match across devices or prints.

Color temperature describes the overall tint of white, not the monitor's full color accuracy. The test can help you compare how the screen displays patterns, but it cannot measure the exact white point or certify that colors match a standard.