paletta

Tailwind CSS token

Tailwind Emerald 400 in OKLCH

Quick answer: Tailwind Emerald 400 is #34D399, which converts to oklch(0.773 0.153 163.20). On white, it has a WCAG contrast ratio of 1.92:1 and an APCA score of Lc +36.29.

This falls below the WCAG 2.2 AA Large text threshold (3:1) on white; pair with a darker foreground. The color shipped in Tailwind CSS v4.0 (January 2025) as part of the OKLCH default palette, which has 92% global browser support (caniuse, April 2026).

oklch(0.773 0.153 163.20)

Tailwind Emerald 400 is a Tailwind utility color. This page frames #34D399 as a utility stop: copy the generated @theme scale below, or map it into your own tokens.

  • Specs

    oklch(0.773 0.153 163.20)
    #34D399

    Highest contrast: black

    10.92:1
    Normal AAmeets WCAG 2.2
    Normal AAAmeets WCAG 2.2
    Large AAmeets WCAG 2.2
    Large AAAmeets WCAG 2.2
    Lc -66.19
    Try in Studio

  • Accessibility lens

    • Base#34D399
    • 300#82E6B9
    • 500#34D399
    • 700#007E52

    Toggle a lens to preview this color under color vision differences.

How does Tailwind Emerald 400 go from primitive to component?

  1. Primitive
  2. Semantic
  3. Component

Primitive

The raw value, before it means anything.

hex
#34D399
oklch
oklch(0.773 0.153 163.20)

Semantic

Bound to a role token that UI reads by name.

--primary: #34D399

One primitive feeds the role. --primary then drives --ring and the hover and active states below, so a single value stays in sync everywhere.

Component

Applied to real UI across states.

AAA10.92:1
DefaultSave paletteNew
HoverSave paletteNew
ActiveSave paletteNew
DisabledSave paletteNew

On-color text: black (10.92:1 on #34D399).

How does Tailwind Emerald 400 scale from 50 to 950?

Tailwind Emerald 400
50 to 950
#E4FCEF
#C9F4DE
#A7EDCB
#82E6B9
#5CDDA8
#34D399
#00A874
#007E52
#005533
#002F17
#000E02
  • 50oklch(0.970 0.030 162.22)
  • 100oklch(0.931 0.053 162.96)
  • 200oklch(0.890 0.084 163.03)
  • 300oklch(0.851 0.115 163.22)
  • 400oklch(0.811 0.138 163.28)
  • 500oklch(0.773 0.153 163.22)
  • 600oklch(0.647 0.141 162.45)
  • 700oklch(0.523 0.118 160.26)
  • 800oklch(0.396 0.092 158.22)
  • 900oklch(0.268 0.066 155.13)
  • 950oklch(0.143 0.041 147.86)

How does Tailwind Emerald 400 score on WCAG 2.2 contrast?

Every fg × bg combination, with WCAG 2.2 verdicts.

AAA (7:1+)
AA (4.5:1+)
Below AA (under 4.5:1)
Hover for APCA
Aa1.00Below AA
Aa1.24Below AA
Aa1.57Below AA
Aa2.84Below AA
Aa8.29AAA
Aa18.30AAA
Aa1.24Below AA
Aa1.00Below AA
Aa1.26Below AA
Aa2.27Below AA
Aa6.65AA
Aa14.68AAA
Aa1.57Below AA
Aa1.26Below AA
Aa1.00Below AA
Aa1.80Below AA
Aa5.26AA
Aa11.62AAA
Aa2.84Below AA
Aa2.27Below AA
Aa1.80Below AA
Aa1.00Below AA
Aa2.91Below AA
Aa6.44AA
Aa8.29AAA
Aa6.65AA
Aa5.26AA
Aa2.91Below AA
Aa1.00Below AA
Aa2.20Below AA
Aa18.30AAA
Aa14.68AAA
Aa11.62AAA
Aa6.44AA
Aa2.20Below AA
Aa1.00Below AA

Does Tailwind Emerald 400 pass WCAG 2.2 on common neutral backgrounds?

  • Aa1.92Below AA

    White #FFFFFF

  • Aa1.76Below AA

    Neutral 100 #F5F5F5

  • Aa1.52Below AA

    Neutral 200 #E5E5E5

  • Aa1.31Below AA

    Neutral 400 #A3A3A3

  • Aa4.06Below AA

    Neutral 600 #525252

  • Aa9.32AAA

    Neutral 900 #171717

  • Aa10.92AAA

    Black #000000

What palettes pair with Tailwind Emerald 400?

  • Analogous

    • #53D334
    • #34D357
    • #34D399
    • #34CBD3
    • #3488D3

  • Complementary

    • #73E1B9
    • #34D399

  • Triadic

    • #34D399
    • #1E8D65
    • #9934D3

Where should you use Tailwind Emerald 400 in production UI?

bg: primary-50 · border: primary-100
Monthly revenue
$48,219
text: primary-900
+12.4% vs last mo.
badge: primary-100 / primary-800
primary-500 / black
$8.2k
JANFEBMARAPRMAYJUNJUL
bg: primary-600 · fg: black
ONBOARDING · STEP 2
Export your first design system this week.
bg: surface · border: neutral-200
SYSTEM
All systems normal
APIprimary-50 / primary-700Webprimary-50 / primary-700Pluginprimary-50 / primary-700
Tokens
248
+18 this week
overlay: primary-700 → primary-800 · fg: white
"One color system, every screen in sync."
Maya Okafor
Design systems lead
EPISODE 14
Designing color systems that scale
28:14
bg: primary-900
--primary-500
#34D399
focus ring: primary-100COMPONENT · INPUT
Search projects…⌘K
button-primary: primary-600 / blackbutton-secondary: primary-50 / primary-700
SETTINGS
Weekly digest
Net new tokens
$15,989
$18,871 last period

Notes on Tailwind Emerald 400

This is a light, minty Emerald, oklch(0.773 0.153 163.2), the kind of green for dark dashboards and success accents rather than for paper. Lightness is the catch: as text on white it falls Below AA (1.92:1, APCA Lc +36.29), so it must not carry small copy on a light page. On a near-black surface it becomes a different color, WCAG 2.2 AAA (10.92:1, APCA Lc -66.19), so this is a dark-mode green, or a bright fill sitting under dark labels. For harmony, the complementary #73E1B9 keeps things tonal, while the triad throws to a deep #1E8D65 and a surprising purple #9934D3. The real watch-out is the accessibility lens: under protanopia and deuteranopia the green drains toward a muted blue-gray (#7064AA), so it reads nothing like green to many viewers. Always back it with an icon, a check mark, or a text label, never color alone.

What other Tailwind and shadcn colors relate to Tailwind Emerald 400?

Tailwind v4 @theme block

@theme {
  --color-primary-50: #e4fcef;
  --color-primary-100: #c9f4de;
  --color-primary-200: #a7edcb;
  --color-primary-300: #82e6b9;
  --color-primary-400: #5cdda8;
  --color-primary-500: #34d399;
  --color-primary-600: #00a874;
  --color-primary-700: #007e52;
  --color-primary-800: #005533;
  --color-primary-900: #002f17;
  --color-primary-950: #000e02;

  --color-secondary-50: #e8f9fc;
  --color-secondary-100: #cbe9ee;
  --color-secondary-200: #abdbe3;
  --color-secondary-300: #89ccd7;
  --color-secondary-400: #6abcca;
  --color-secondary-500: #4cacbb;
  --color-secondary-600: #2a8896;
  --color-secondary-700: #0a6672;
  --color-secondary-800: #00454e;
  --color-secondary-900: #00262d;
  --color-secondary-950: #000b0f;

  --color-accent-50: #e7fce8;
  --color-accent-100: #cbefcd;
  --color-accent-200: #abe3ae;
  --color-accent-300: #8ad78f;
  --color-accent-400: #6aca74;
  --color-accent-500: #4cbb5b;
  --color-accent-600: #28953c;
  --color-accent-700: #047022;
  --color-accent-800: #004c0e;
  --color-accent-900: #002b00;
  --color-accent-950: #000d00;

  --color-neutral-50: #f7f8f7;
  --color-neutral-100: #eff1f0;
  --color-neutral-200: #dfe2e1;
  --color-neutral-300: #c4cac8;
  --color-neutral-400: #9ea9a5;
  --color-neutral-500: #788782;
  --color-neutral-600: #5b6762;
  --color-neutral-700: #434c49;
  --color-neutral-800: #2b312f;
  --color-neutral-900: #181b1a;
  --color-neutral-950: #0e1010;

  --color-success-50: #e6fce9;
  --color-success-100: #c4eaca;
  --color-success-200: #9ddaa7;
  --color-success-300: #74c985;
  --color-success-400: #4ab766;
  --color-success-500: #16a34a;
  --color-success-600: #008330;
  --color-success-700: #00631a;
  --color-success-800: #00440a;
  --color-success-900: #002700;
  --color-success-950: #000d00;

  --color-error-50: #ffebe6;
  --color-error-100: #ffc9c0;
  --color-error-200: #ffa398;
  --color-error-300: #fe7c6f;
  --color-error-400: #f0544a;
  --color-error-500: #dc2626;
  --color-error-600: #b8000a;
  --color-error-700: #910000;
  --color-error-800: #680000;
  --color-error-900: #420000;
  --color-error-950: #200000;

  --color-warning-50: #fff1e1;
  --color-warning-100: #fed9be;
  --color-warning-200: #f9c095;
  --color-warning-300: #f2a66a;
  --color-warning-400: #e78e40;
  --color-warning-500: #d97706;
  --color-warning-600: #b25800;
  --color-warning-700: #893d00;
  --color-warning-800: #612500;
  --color-warning-900: #3a0f00;
  --color-warning-950: #180000;

  --color-info-50: #e6f6ff;
  --color-info-100: #bfdaff;
  --color-info-200: #95bdff;
  --color-info-300: #6ca0ff;
  --color-info-400: #4782fd;
  --color-info-500: #2563eb;
  --color-info-600: #114ac8;
  --color-info-700: #0333a1;
  --color-info-800: #002076;
  --color-info-900: #000e4e;
  --color-info-950: #000129;

  /* Surfaces */
  --color-background: #F7F8F7;
  --color-surface: #FFFFFF;
  --color-elevated: #F7F8F7;
  --color-foreground: #181B1A;
  --color-muted: #788782;
  --color-border: #DFE2E1;
}

How do you export Tailwind Emerald 400 as design tokens?

Export a W3C DTCG token document for the Tailwind Emerald 400 50 to 950 scale, ready for Style Dictionary or any DTCG aware pipeline.

FAQ

Frequently asked questions

Tailwind Emerald 400 (#34D399) is oklch(0.773 0.153 163.2) in the OKLCH color space.

Tailwind Emerald 400 passes WCAG 2.2 AA on black for normal text. Contrast ratios: 1.92:1 on white, 10.92:1 on black.

On white, Tailwind Emerald 400 has an APCA Lc of 36.3. On black, Lc is -66.2. APCA is a perceptual contrast model, not a WCAG compliance standard.

Paste the snippet above into your tailwind.config (or globals.css with @theme).

Under deuteranopia (most common, around 5 percent of men), Tailwind Emerald 400 simulates to #7064aa. Under protanopia it shifts to #797aa7. Under tritanopia it appears as #3cb2b5. Always pair color with shape, label, or icon for accessibility.

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