How to Pick a Color From Anywhere on Your Screen

You see a color somewhere on your screen — in an image, on a website, in another application entirely — and you need its exact HEX or RGB value. Screenshotting and opening the image in an editor just to sample one pixel’s color is a lot of steps for what should be a quick grab. Most design tools have their own built-in eyedropper, but those are typically limited to sampling within that specific application’s own canvas, not anywhere else on your screen.

A true screen-wide color picker solves this directly — click anywhere, on anything currently displayed, and get the exact color value back immediately.

What screen-wide color picking actually involves

Modern browsers expose a native EyeDropper API that lets a web page temporarily take over your cursor as a color-sampling tool, letting you click anywhere on your actual screen — not just within the browser tab — and get back the precise color value at that pixel. This is meaningfully more capable than an in-app eyedropper limited to one application’s canvas, since it works across your entire display.

For browsers or situations where this API isn’t available, a manual fallback — uploading or pasting an image and clicking on a pixel within it — covers the same core need with slightly more friction, ensuring the tool remains useful even without native API support.

Why people get stuck here

• In-app eyedroppers are limited to their own canvas. A color picker built into one design tool can’t sample a color displayed in a completely different application or on your desktop.
• Screenshotting for a single pixel is overkill. Capturing a screenshot, opening it in an editor, and zooming in just to sample one color is disproportionate effort for the task.
• Not every browser supports the native EyeDropper API yet. Support has been rolling out but isn’t universal, which means a fallback method matters for full compatibility.
• Color values need to be in a usable format immediately. Getting a color sample that isn’t immediately available as HEX or RGB still requires an extra conversion step.

What a good screen color picker looks like

Uses the browser’s native screen-wide capability where available

Leveraging the EyeDropper API lets you sample literally anywhere on your screen, not just within a limited canvas area.

Falls back gracefully when the API isn’t supported

A manual upload-and-click fallback ensures the tool still works in browsers without native EyeDropper support.

Gives instant HEX and RGB output

The sampled color should be immediately available in both common formats, ready to copy into wherever you need it.

Common mistakes to avoid

• Assuming every browser supports the native screen-wide eyedropper — check for a fallback option if you’re on a browser that doesn’t yet.
• Sampling a color from a low-resolution or heavily compressed screenshot, which can introduce slight color inaccuracy from compression artifacts.
• Forgetting that a sampled color reflects exactly what’s rendered on screen, which can include effects like screen brightness or color profile differences from the “true” source color.
• Not double-checking a sampled color against its intended source if precise brand color accuracy matters for the specific use case.

How to do it with Color Picker From Screen

Online Tool Store’s Color Picker From Screen samples colors from anywhere on your screen entirely in your browser.

1. Click to activate the eyedropper.
2. Click anywhere on your screen — in any application, not just the browser tab.
3. See the sampled color’s HEX and RGB values instantly.
4. Copy whichever format you need.

Because it uses your browser’s native screen-sampling capability where supported, it isn’t limited to sampling within just the tool’s own page.

Frequently asked questions

Does this work across my whole screen, or just within the browser tab?

Where the native EyeDropper API is supported, it works across your entire screen, including other applications — not just content displayed within the browser tab itself. This is a meaningful advantage over most in-app color pickers.

What if my browser doesn’t support the EyeDropper API?

A manual fallback — uploading or pasting an image and clicking a pixel within it — covers the same core use case with a small amount of extra friction, ensuring the tool remains usable even on browsers without native support.

Is a screen-sampled color always exactly accurate to the original source?

It reflects exactly what’s rendered on your screen at that moment, which is generally accurate but can be influenced by your display’s color profile or brightness settings. For color-critical work (matching an exact brand color), cross-check against the original source file when precision really matters.

Final thought

A color you can see is a color you should be able to grab instantly — a screen-wide eyedropper removes the screenshot-and-crop detour that color sampling used to require.

Try the free Color Picker From Screen