Font & Text Color Changer with Color Combos

About the Font Color Tester

This free online font and text color changer helps you explore color combos and color combinations in seconds. Paste your hex codes, adjust font size and image dimensions, and preview text on different background colors. You’ll also see instant WCAG contrast ratings (AA and AAA) so your design choices stay accessible.

Why Use a Font & Text Color Changer?

• •Preview how text and background colors look together before you ship.
• •Check WCAG color contrast for accessibility compliance (AA & AAA).
• •Experiment with brand palettes and UI states, fast.
• •Works with any hex value — try popular colors like #000000, #333333, #0D47A1, or #FFEB3B.

Popular Color Combos

These high-readability color combinations are common starting points:

• #000000 on #FFFFFF — black on white
• #333333 on #F2F2F2 — dark gray on light gray
• #0C4A0B on #ECC9C9 — deep green on pale pink
• #FFFFFF on #0D47A1 — white on dark blue

Accessibility & WCAG Contrast Checker

The tester calculates color contrast using the WCAG formula and labels results for normal and large text. Aim for at least AA, and AAA where possible, to improve readability for everyone. Learn more in the WCAG guidance.

Frequently Asked Questions

How do I test color contrast online?

Enter a text color and background color in hex format, then view the contrast ratio and the AA/AAA pass results. Use the inputs above for font size and image dimensions.

What colors are best for readability?

High-contrast pairs like black on white are the easiest to read. Use the tool to try different color combinations and check against WCAG.

Is this tool free?

Yes — the Font Color Tester is completely free to use.