Refresh-rate reporting for photo color review

You are preparing to review or edit photos, and a display’s reported refresh rate does not match what you expected. Before changing color settings, check whether the browser is reporting the screen you are using and whether the operating system has selected the intended refresh mode.

The Display Test reports refresh rate and includes color patterns. Use the two checks to separate a refresh-rate question from a color problem. A refresh-rate reading cannot tell you whether a screen shows accurate color.

Check the refresh rate on the screen you are reviewing

1. Open the Display Test on the display you want to use for photo review. If you have more than one screen, move the browser window to the screen in question before checking it.
2. Look at the refresh-rate result. Note the value and which display the browser is showing, if that information is available.
3. View the color test on the same screen. Look for obvious differences in color patches, gray areas, or brightness across the panel, but do not treat the pattern as a full color-calibration test.
4. Check the refresh rate selected in your operating system, then compare it with the browser result. Repeat on the other display if you are deciding which screen to use.

For a useful comparison, keep the same browser, page zoom, lighting, and display mode. Avoid changing several display settings between checks. If the operating system offers a variable refresh rate, the active rate can change with the content or display mode, so record the setting as well as the browser reading.

What the result means

The reading is close to the selected refresh rate

This is consistent with the operating system’s selected mode. Small differences can result from how a rate is reported or rounded. For example, a rate close to 60 Hz may appear as 60 rather than an exact fractional value. Treat the browser result as a useful cross-check, not a calibration instrument.

The reading is lower than you expected

The display may be running at a lower mode than you intended, the browser may be reporting a rounded or limited value, or the reading may refer to another screen. Check the selected display and refresh rate in the system settings. A browser test cannot change the monitor’s mode for you.

The reading changes between checks

First make sure the browser window is on the same display and that no display settings changed. Laptop power modes, variable refresh features, docks, adapters, and display drivers can affect the mode that is active or reported. Repeat the check after confirming the system’s selected rate.

The refresh result looks right, but photos still look different

Refresh rate describes how often the screen updates, not whether its colors are accurate. Differences between screens can come from brightness, color profiles, night-light settings, HDR, panel uniformity, or viewing angle. A correct refresh-rate reading does not rule out any of those issues.

How to fix a refresh-rate mismatch

1. Confirm which display is selected. On Windows 11, open Settings › System › Display and select the screen you are reviewing. On macOS, open System Settings › Displays and check the connected display.
2. Select the intended refresh rate. In Windows 11, open Settings › System › Display › Advanced display, select the display, and choose an available rate under Choose a refresh rate. On macOS, use System Settings › Displays and select an available refresh rate for that display. Options vary by screen and connection.
3. Check the cable or adapter. If the expected rate is not offered, connect the monitor directly if possible, try another supported port, or use a cable rated for the display’s resolution and refresh rate. A dock or adapter can limit available modes.
4. Restart the browser and retest. Close and reopen the browser after changing display settings, then run the Display Test again on the same screen. If the operating system itself does not offer the expected mode, check the monitor connection and graphics driver or contact the computer or display maker for support.

For photo color review, also keep brightness, HDR, night-light or color-temperature settings, and the selected color profile consistent. On Windows 11, check Settings › System › Display for brightness, HDR, and color profile options. On macOS, check System Settings › Displays for the display preset and related options. Names and availability vary by device.

What refresh rate can and cannot tell you

Refresh rate is the number of times per second a display can update its image, measured in hertz (Hz). A higher rate can make motion look smoother, but it does not by itself make a still photo more accurate. For a color-review task, the screen’s color profile, brightness, uniformity, and viewing conditions matter more directly.

A browser can only report or estimate information exposed by the browser and operating system. It cannot independently verify the monitor’s full electrical behavior, confirm color accuracy, or certify that every pixel displays the intended color. Use the Display Test as an initial screen check, and use a hardware colorimeter or a professional calibration process when color matching must be precise.

For a separate check of brightness and color uniformity across a panel, see how to check monitor uniformity before color grading.