#efff66
#efff66 converts to rgb(239, 255, 102) and hsl(66, 100%, 70%). Its nearest Tailwind CSS token is lime-200.
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Conversions
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WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 1.10:1 | fail | fail | fail |
| black | 19.17:1 | pass | pass | pass |
| slate-900 | 16.29:1 | pass | pass | pass |
| gray-100 | 1.00:1 | fail | fail | fail |
Ratios are computed from WCAG 2.x relative luminance. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
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Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #efff66.
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Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
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AI prompt snippet
Use #efff66 (rgb(239, 255, 102), nearest Tailwind token lime-200) as an accent. Keep text contrast at least 4.5:1 — this color scores 1.1:1 on white and 19.17:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #efff66 with correct contrast constraints. Browse all palette colors.