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Puppeteer Screenshot with a Custom Page Background Color

Set a custom solid color in a Puppeteer screenshot by applying CSS before capture. Use omitBackground only when you want transparency.
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Set the background in the page’s rendered CSS before calling page.screenshot(). Puppeteer’s omitBackground option does not choose a color; it hides the default white background so the output can be transparent.

Set a solid background color before capturing

Use page.addStyleTag() to apply a CSS background, then capture the page. This example saves a PNG to page.png:

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await page.addStyleTag({
  content: `html, body { background-color: #eaf2ff !important; }`,
});

await page.screenshot({ path: 'page.png' });

The CSS color applies to the document’s html and body elements. Puppeteer’s screenshot guide documents Page.screenshot() and its path option, while the Page API documents addStyleTag() (Screenshots guide; Page API).

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Choose the element that paints the background

Changing html and body works when those elements determine the visible page background. Some sites paint the visible area with an app container, a full-screen component, or another nested element instead. In that case, target the element responsible for the color, for example:

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await page.addStyleTag({
  content: `#app { background-color: #eaf2ff !important; }`,
});

await page.screenshot({ path: 'page.png' });

Replace #app with a selector that matches the page’s actual background element. If the page’s own styles override your injected rule, use a more specific selector or apply the style after navigation and after the app has rendered.

Use transparency only when you want a transparent image

omitBackground: true hides Puppeteer’s default white background to allow a transparent screenshot; it is not a solid-color setting. The Puppeteer 25.12.0 ScreenshotOptions reference documents this behavior and lists false as the default.

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await page.screenshot({
  path: 'page.png',
  omitBackground: true,
});

For a custom solid color, set the CSS background before capture instead. Puppeteer’s Page.screenshot() reference describes the method as capturing a screenshot of the page. The cited API references are version 25.12.0; if your installed Puppeteer version differs, check its corresponding documentation.

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Capture a single element

If you need only one component rather than the whole page, select it and use ElementHandle.screenshot(), which the Puppeteer screenshots guide documents for element capture:

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const element = await page.$('#card');
if (!element) throw new Error('Could not find #card');

await element.screenshot({ path: 'card.png' });

Apply the background style to the element or one of its descendants if that is where the visible color is defined. The selection and style must match the page’s actual structure.

Troubleshoot a background that does not appear

  • The output is transparent instead of colored: remove omitBackground: true and set a CSS background on the element that paints the page.
  • The screenshot is still white: the visible background may belong to a nested app element rather than html or body. Inspect the page and target the relevant selector.
  • The site’s original color wins: increase selector specificity, use !important as in the examples, or inject the style after the application has rendered.
  • The element capture has no color: verify that the selected element contains or paints the area you want, and apply the background to that element or its visible child.
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