#40bc67
#40bc67 converts to rgb(64, 188, 103) and hsl(139, 49%, 49%). Its nearest Tailwind CSS token is emerald-500.
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Conversions
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WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 2.44:1 | fail | fail | fail |
| black | 8.61:1 | pass | pass | pass |
| slate-900 | 7.32:1 | pass | pass | pass |
| gray-100 | 2.22:1 | 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 #40bc67.
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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 #40bc67 (rgb(64, 188, 103), nearest Tailwind token emerald-500) as an accent. Keep text contrast at least 4.5:1 — this color scores 2.44:1 on white and 8.61:1 on black.
Paste this into ChatGPT, Claude, Cursor, or v0 to use #40bc67 with correct contrast constraints. Browse all palette colors.