Accessibility Lab • Simona Nasteva

Accessibility Lab

WCAG 2.1 · APCA · Color vision · Perceptual analysis

Large Heading (24px+)

Body text at 16px. The quick brown fox jumps over the lazy dog. Legibility is paramount for accessible design systems.

Small text at 12px — captions, footnotes, and helper text. Contrast requirements are stricter here.

Contrast Analysis

WCAG 2.112.92: 1

Excellent contrast — passes AAA for all text sizes. Ideal for body copy and critical UI.

Normal text

AA
AAA

Large text (≥18pt)

AA
AAA
APCA-85.5Lc

Good readability — works well for body text at typical sizes (16px+) and weights.

Body text minimum

WCAG ratio12.92
APCA score85.5

[ Experimentation Phase // Last updated: Apr 07, 2026 ]

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