#34d399
#34d399 is rgb(52, 211, 153), or hsl(158, 64%, 52%). The nearest reference Tailwind v4 token is emerald-400 (#00d492), not an exact match.
Conversions
WCAG contrast
| Background | Ratio | AA text | AA large | AAA text |
|---|---|---|---|---|
| white | 1.92:1 | fail | fail | fail |
| black | 10.92:1 | pass | pass | pass |
| slate-900 | 9.29:1 | pass | pass | pass |
| gray-100 | 1.75:1 | fail | fail | fail |
Ratios use WCAG relative luminance for opaque sRGB colors. Normal text requires 4.5:1, or 7:1 at AAA. Large text requires 3:1: at least 24 CSS pixels, or about 18.67 CSS pixels when bold. Pass/fail uses the unrounded ratio. Contrast alone is not a full accessibility assessment.
Colors paired with #34d399 in real UI palettes
These colors appear alongside #34d399 in StyleKit's curated palettes. Co-occurrence is not a promise of text readability; each pair includes its measured contrast.
- #5fb3cc
Used together in Frutiger Aero.
1.24:1
Not for normal text - #7dd3fc
Used together in Frutiger Aero.
1.15:1
Not for normal text - #87ceeb
Used together in Frutiger Aero.
1.10:1
Not for normal text - #e0f2fe
Used together in Frutiger Aero.
1.68:1
Not for normal text - #ffffff
Used together in Frutiger Aero.
1.92:1
Not for normal text
A readable starting point
black text on #34d399: 10.92:1 contrast.
Design styles using this color
Tints and shades
Lightness ladder in HSL space, from the lightest tint to the darkest shade of #34d399.
Similar colors in the library
Nearest swatches by perceptual OKLab distance across all curated style palettes.
AI prompt snippet
Use #34d399 as the accent color, following the Frutiger Aero style: rgb(52, 211, 153), nearest Tailwind token emerald-400. Keep text contrast at least 4.5:1 (this color scores 1.92:1 on white, 10.92:1 on black).
Paste this into ChatGPT, Claude, Cursor, or v0 to use #34d399 with correct contrast constraints. Browse all palette colors.
Questions about #34d399
What color is #34d399?
#34d399 is rgb(52, 211, 153), or hsl(158, 64%, 52%). The nearest reference Tailwind v4 token is emerald-400 (#00d492), not an exact match.
What text color should I use on #34d399?
Black (#000000) has the higher black-or-white contrast against #34d399: 10.92:1. This calculation assumes opaque, flat sRGB colors. Normal text requires 4.5:1 and large text 3:1 under WCAG 2.2 SC 1.4.3; it is not a complete accessibility assessment.
How can I use exactly #34d399 in Tailwind CSS?
Use bg-[#34d399], text-[#34d399], or a CSS custom property instead of substituting a nearby named token. The reference palette is Tailwind CSS 4.1.18, converted from OKLCH to sRGB hex; newer Tailwind versions and custom themes can differ.
Sources and calculation limits
Reference palette: Tailwind CSS 4.1.18, converted from OKLCH to sRGB hex. Named tokens are versioned approximations; use the exact hex utilities when matching an existing design. Palette pairings come from the linked StyleKit definitions, not external popularity or preference data.