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◆ AI Learning · Hard rule

How should text color be chosen for light backgrounds?

Text on light backgrounds must be dark. This ensures text is easy to read. Color is not used to show text importance.

By Pawan Nayar · from the LLOS AI Learning record

The rule

Text on light backgrounds must be dark.

This ensures text is easy to read. Color is not used to show text importance.

All text on light backgrounds must be a very dark color. Use colors like #1a1c1e or #333. This includes labels, captions, and other secondary text. Do not use lighter shades of gray for any text. Text importance is shown by changing its size or thickness, not its color. Never use text colors with an opacity below 70%.

A designer creates a website with a white background. The designer uses light gray text for captions. Users find the captions hard to read. The designer should change the caption text to a dark gray or black color.

Words you'll need

Resolved from this lesson's own record — real definitions, not invented for this page.

Human-Computer Interaction

How people and computers communicate and work together

Information Retrieval

Finding the right information when you ask for it

Information Architecture

How information is organized and labeled so people find it

Questions people ask

More from the same record, pulled by shared topic — not written new for this page.

How can a developer make sure disabled buttons are readable and text with emoji stays on one line?

A developer must use strong color contrast for disabled buttons. For example, dark text on a light background works well.

How should an AI model design user interface elements like text, spacing, and colors?

An AI model must use plain language and avoid jargon. The AI model must prioritize user privacy and intellectual property.

How should colors be used on a page to ensure clarity and good design?

A page should use colors from only one color family. Using too many different colors makes the page look messy.

How should a developer ensure a new page matches the brand, has good spacing, and uses correct text-to-speech?

A developer must use the brand's exact color palette. A developer must use the specified fonts.

What to remember

Text on light backgrounds must be dark. This ensures text is easy to read. Color is not used to show text importance.