HOW TO USE (PRACTICAL)

1) Pick a PRESET (yellow/white on black is common for low vision)

2) Increase TEXT until it’s comfortable

3) Turn on FOCUS RING to check keyboard visibility

4) Press FULLSCREEN to test properly

5) Exit: ESC or tap/click screen

WHAT TO LOOK FOR

Can you read headings + paragraphs? (no squinting)

Are links obvious? underline helps

Can you see focus? tab through buttons/input

Glare? try “reduce glare” in bright rooms

DEVICE TIPS

Phone: increase system text size if needed

iPad: rotate — this page is built to fit both orientations

TV: fullscreen is best from a distance

FAQ

Best colours? many people prefer yellow/white on black.

Why underline links? colour alone is easy to miss.

What’s a focus ring? the outline you see when using keyboard/tab.

Reading ruler? helps keep place on lines.

Exit fullscreen? ESC or tap/click screen.

MINI BLOG (SHORT)

High contrast isn’t just colour — it’s also text size, spacing, and clear focus.

This tool is built for real people: quick presets, bigger text, and a fullscreen “real UI” sample.

If you can read comfortably here, you’re closer to a usable interface.

KEYWORDS (NATURAL)

accessibility high contrast • low vision reading test

high contrast mode • readable text size

focus ring visibility • underline links accessibility