Font Highlight Color: How to Change It

Font highlight color is the background color applied behind selected text, distinct from the text color itself. You can change it in most word processors, text editors, and web browsers using a highlight tool or by editing CSS. This article explains how to change highlight color in common applications, how it works, and how to choose the right color for readability.

Formula

This calculator helps you estimate how many characters will be highlighted if you highlight a certain percentage of your text. The formula is:

Highlighted characters = Text length × (Highlight coverage / 100)

Where:

• Text length (characters): the total number of characters in your document or selection.
• Highlight coverage (%): the percentage of the text you plan to highlight.

Worked Example

Using the default values: Text length = 100 characters, Highlight coverage = 20%.

Highlighted characters = 100 × (20 / 100) = 100 × 0.2 = 20 characters.

So, if you highlight 20% of a 100-character text, you will highlight 20 characters. The calculator rounds to the nearest whole number.

What Is Font Highlight Color?

Font highlight color is the background color that appears behind text, like a marker on paper. It is different from font color, which is the color of the letters themselves. Highlighting is used to emphasize key phrases, mark important sections, or visually organize information. In digital documents, highlight color is applied as a background property of the text, and it can be changed easily with formatting tools.

How to Change Highlight Color in Common Applications

Different software has different ways to change highlight color. Here are the most common ones:

Microsoft Word (Windows and Mac)

1. Select the text you want to highlight.
2. Go to the Home tab.
3. Click the Text Highlight Color button (a pen icon with a color bar).
4. Choose a color from the dropdown. If you want no highlight, select No Color.

To change the highlight color of existing text, select the highlighted text and then choose a new color from the same dropdown.

Google Docs

1. Select the text.
2. Click the Highlight button (a marker icon) in the toolbar.
3. Pick a color, or select Highlight again to remove it.

Google Docs offers a limited palette of highlight colors, but you can use the Custom option to enter a hex code for a specific color.

Web Pages (CSS)

In web design, you can set the highlight color using CSS. The ::selection pseudo-element controls the background color of selected text. For example:

::selection { background-color: #ffff00; }

This makes the highlight yellow. You can also set the text color with color.

Text Editors (e.g., Notepad++, Sublime Text)

Many code editors allow you to customize the highlight color in their settings or themes. Look for a “selection� or “highlight� color option in the theme configuration.

How Highlight Color Works

Highlight color is a background color applied to a range of text. In most word processors, the highlight is stored as a character property, meaning it travels with the text when you copy or move it. In web browsers, the highlight is applied via CSS and only appears when text is selected by the user. The default selection color is usually a light blue, but it can be changed with CSS.

How to Choose the Right Highlight Color

Choosing a highlight color depends on the purpose and the medium. Here are some guidelines:

• Readability: The highlight should not make the text hard to read. Dark text on a light highlight is best. For example, black text on yellow is a classic combination.
• Color contrast: Use a highlight color that contrasts with the text color. Avoid using similar shades for text and highlight.
• Colorblind accessibility: Avoid relying solely on color to convey meaning. Use patterns or icons in addition to color if needed.
• Print vs. screen: Some highlight colors look different on screen than in print. Test your colors if you plan to print.

Common Problems and Misconceptions

One common problem is that the highlight color doesn’t appear in print. This can happen if the printer is set to “print in black and white� or if the highlight color is too light. Another issue is that the highlight color is not visible in a PDF export. In that case, check the PDF settings to include background colors.

A common misconception is that highlighting text changes the text color. It doesn’t; it only changes the background. If you want to change the text color, use the font color tool.

Frequently Asked Questions

Can I use a custom highlight color in Word?

Yes, Word allows custom highlight colors. In the Text Highlight Color dropdown, select More Colors to choose a custom RGB or HSL color.

Why does my highlight disappear when I copy text?

When copying text between different programs, the highlight may be lost if the target program doesn’t support the same formatting. To preserve it, use the “Keep Source Formatting� paste option in Word or similar.

How do I remove highlight from text?

Select the highlighted text, go to the highlight tool, and choose No Color (Word) or the same highlight button again (Google Docs). In CSS, set the background to transparent.

Does highlight color affect SEO?

No, highlight color does not directly affect search engine rankings. Search engines don’t read visual formatting like highlight color. However, using headings and bold text can help structure your content for SEO.

What is the default highlight color in browsers?

Most browsers use a light blue background for selected text. This can be changed by websites using CSS, but users can also override it in browser settings or extensions.

Alternatives to Highlighting

If you want to emphasize text without using a background color, consider these alternatives:

• Bold or italic: Changes the font style to make text stand out.
• Underline: Adds a line under the text.
• Text color: Changes the color of the letters themselves.
• Comments or notes: Use the comment feature in word processors to add explanations without changing the text appearance.

Each method has its own readability and accessibility implications, so choose based on your audience and purpose.

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in t | Text length | characters | 100 | 1 | 10000
in h | Highlight coverage | % | 20 | 0 | 100
out hl | Highlighted characters | characters | t * h / 100 | 0