#f5f5f4 on #ffffff contrast ratio
1.09:1
Very light grey (Tailwind stone-100) text (#f5f5f4) on a white background (#ffffff) fails every WCAG 2.2 contrast threshold.
Swap: #ffffff on #f5f5f4Large text sample
Normal body text in #f5f5f4 on #ffffff. The quick brown fox jumps over the lazy dog.
WCAG 2.2 results
| Normal text — WCAG 1.4.3 AA | 4.5:1 | Fail |
|---|---|---|
| Large text — WCAG 1.4.3 AA | 3:1 | Fail |
| UI components & icons — WCAG 1.4.11 AA | 3:1 | Fail |
| Normal text — WCAG 1.4.6 AAA | 7:1 | Fail |
| Large text — WCAG 1.4.6 AAA | 4.5:1 | Fail |
Nearest passing colours
AA (4.5:1)
AAA (7:1)
How it looks with colour blindness
Simulated with the Machado et al. (2009) model at full severity.
- Aa
Protanopia (no red cones)
1.09:1
- Aa
Deuteranopia (no green cones)
1.09:1
- Aa
Tritanopia (no blue cones)
1.09:1
- Aa
Achromatopsia (no colour)
1.09:1
Try a different pair
Colours
Hex, rgb() or hsl(). Alpha is composited.
Preview
Large heading text
Normal body text at 14 px. The quick brown fox jumps over the lazy dog.
Colour-blindness preview
Simulated with Machado et al. (2009), full severity.
- AaProtanopia (no red cones)1.09:1
- AaDeuteranopia (no green cones)1.09:1
- AaTritanopia (no blue cones)1.09:1
- AaAchromatopsia (no colour)1.09:1
Contrast ratio
1.09:1
| Check | Criterion | Needs | Result |
|---|---|---|---|
| Normal text | 1.4.3 AA | 4.5:1 | Fail |
| Large text | 1.4.3 AA | 3:1 | Fail |
| UI components & graphics | 1.4.11 AA | 3:1 | Fail |
| Normal text | 1.4.6 AAA | 7:1 | Fail |
| Large text | 1.4.6 AAA | 4.5:1 | Fail |
Nearest passing colours
Same hue, lightness adjusted in OKLCH.
AA — 4.5:1
Change text
#777676 · 4.52:1
Change background
#707070 · 4.53:1
AAA — 7:1
Change text
#595959 · 7.00:1
Change background
#535353 · 7.05:1
Large text means at least 24 CSS px, or 18.66 CSS px bold. Ratios are truncated, never rounded, so 4.49:1 is shown as failing 4.5:1.
Questions about this pair
- Is #f5f5f4 on #ffffff accessible?
- No. At 1.09:1 it fails every WCAG 2.2 text contrast threshold, including the 3:1 minimum for large text and UI components.
- What is the contrast ratio of #f5f5f4 and #ffffff?
- 1.09:1, calculated with the WCAG 2.2 relative luminance formula. The ratio is truncated, not rounded, so it never shows a failing pair as passing.
- What colour passes AA on #ffffff?
- #777676 is the closest colour to #f5f5f4 — same hue, adjusted lightness — that reaches 4.5:1 on #ffffff.
Related colour pairs
- Aa 1.04:1#fafaf9 on #ffffff · Fails
- Aa 1.04:1#ffffff on #fafaf9 · Fails
- Aa 20.10:1#fafaf9 on #000000 · AAA
- Aa 20.10:1#000000 on #fafaf9 · AAA
- Aa 1.09:1#ffffff on #f5f5f4 · Fails
- Aa 19.24:1#f5f5f4 on #000000 · AAA
- Aa 19.24:1#000000 on #f5f5f4 · AAA
- Aa 1.25:1#e7e5e4 on #ffffff · Fails
- Aa 1.25:1#ffffff on #e7e5e4 · Fails
- Aa 16.72:1#e7e5e4 on #000000 · AAA
- Aa 16.72:1#000000 on #e7e5e4 · AAA
- Aa 1.48:1#d6d3d1 on #ffffff · Fails