Emerald 400
emerald-400 · #34D399
HEX
#34D399
RGB
rgb(52, 211, 153)
CMYK
cmyk(75%, 0%, 27%, 17%)
HSL
hsl(158, 64%, 52%)
LAB
lab(75.8, -53.7, 17.4)
What is Emerald 400?
Emerald 400 is the emerald-400 reference in the Tailwind CSS palette. Its sRGB value is #34D399 (rgb 52, 211, 153). It sits in the green family. The default color palette shipped with Tailwind CSS v3 by Tailwind Labs. 22 color families across 11 lightness steps (50 to 950). See disclaimer for accuracy and trademark notes.
Accessibility
WCAG 2.1 contrast checks for Emerald 400 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Emerald 400
An 11-step tonal scale derived from Emerald 400 (#34D399). Click any swatch to copy its HEX. Use these as a starting point for design tokens, hover states, and disabled states in a design system.
50
#EFFBF7
#EFFBF7
100
#DFF8EF
#DFF8EF
200
#BEF1DE
#BEF1DE
300
#9AE9CC
#9AE9CC
400
#67DEB3
#67DEB3
500
#34D399
#34D399
600
#2CB382
#2CB382
700
#228963
#228963
800
#175F45
#175F45
900
#0D3526
#0D3526
950
#061912
#061912
Lighter tints (mixed with white)
15%
#75DAAE
30%
#9AE1BF
45%
#B6E8CF
60%
#CDEFDE
75%
#E2F5EB
Darker shades (mixed with black)
15%
#30C48E
30%
#2BB482
45%
#25A174
60%
#1F8C64
75%
#177050
Color harmonies for Emerald 400
Classic color-theory harmonies derived from rotating the hue of Emerald 400. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#34D399
#34D399
#D33670
#D33670
Triadic
Three colors 120° apart
#34D399
#34D399
#9936D3
#9936D3
#D39936
#D39936
Analogous
Two neighbors ±30° on the wheel
#36D34B
#36D34B
#34D399
#34D399
#36BED3
#36BED3
Split-complementary
Base + two colors flanking its complement
#34D399
#34D399
#D336BE
#D336BE
#D34B36
#D34B36
Tetradic
Two complementary pairs
#34D399
#34D399
#3670D3
#3670D3
#D33670
#D33670
#D39936
#D39936
Square
Four colors evenly spaced 90° apart
#34D399
#34D399
#4B36D3
#4B36D3
#D33670
#D33670
#BED336
#BED336
Emerald 400 in every color space
Full conversion of Emerald 400 across the color spaces designers and developers actually use — including OKLCH (the perceptually-uniform space that powers Tailwind v4 and CSS Color Module Level 4) and HWB.
HEX
#34D399
RGB
rgb(52, 211, 153)
CMYK
cmyk(75%, 0%, 27%, 17%)
HSL
hsl(158, 64%, 52%)
HSV
hsv(158, 75%, 83%)
HWB
hwb(158 20% 17%)
CIE Lab
lab(75.8 -53.7 17.4)
OKLCH
oklch(77.3% 0.153 163.2)
XYZ (D65)
xyz(30.46, 49.61, 38.10)
Copy-ready code for Emerald 400
Drop-in snippets for CSS, Tailwind, Sass, iOS Swift, and Android XML. Click the copy button on any snippet to put it on your clipboard.
CSS
color: #34D399;
background-color: #34D399;CSS variable
:root {
--color-emerald-400: #34D399;
}Tailwind config
// tailwind.config.js
colors: {
'emerald-400': '#34D399',
}Sass
$color-emerald-400: #34D399;Swift UIColor
UIColor(red: 0.204, green: 0.827, blue: 0.600, alpha: 1.0)Android XML
<color name="emerald-400">#34D399</color>Closest match in every color system
The nearest Emerald 400 equivalent in every other color system on this site, ranked by ΔE2000 perceptual distance. Useful when translating between design-system, web-standard, and industrial color references.
Closest in Tailwind CSS palette
Top 6 ΔE2000-closest entries within the same collection.
Closest Pantone matches
Top 6 ΔE2000-closest Pantone references. Cross-system matching is approximate — see disclaimer.
Closest RAL Classic matches
Top 6 ΔE2000-closest RAL Classic references for industrial coating cross-reference.
RAL 6019
#BDECB6
Pastel green
RAL 6021
#89AC76
Pale green
RAL 6027
#84C3BE
Light green
RAL 6018
#57A639
Yellow green
RAL 6017
#4C9141
May green
RAL 5024
#5D9B9B
Pastel blue
FAQ about Emerald 400
What is the HEX code for Emerald 400?
Emerald 400 (emerald-400) has the HEX code #34D399. In RGB it is rgb(52, 211, 153), and in CMYK it is cmyk(75%, 0%, 27%, 17%).
What is the OKLCH value of Emerald 400?
Emerald 400 converts to oklch(0.773 0.153 163.2). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Emerald 400 accessible for body text?
Used as a background, Emerald 400 has a contrast ratio of 10.92:1 with black text and 1.92:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use black text and verify in real UI context.
What is the closest Pantone to Emerald 400?
The closest Pantone reference to Emerald 400 by ΔE2000 perceptual distance is Pantone 3265 C (#00C7B1). Cross-system Pantone matching is approximate; for color-critical print work, verify with a physical Pantone guide.
What is the closest RAL color to Emerald 400?
The closest RAL Classic reference to Emerald 400 by ΔE2000 distance is RAL 6019 (Pastel green, #BDECB6). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Emerald 400?
The complementary color (180° opposite on the HSL color wheel) of Emerald 400 is #D33670. Use it for high-contrast accents, error states, or call-to-action pairings.
Data provenance & source
Tailwind CSS default palette (v3)
The default color palette shipped with Tailwind CSS v3 by Tailwind Labs Inc. Use as a reference for design tokens, web color systems, and Tailwind-based design conversations. Names like 'blue-500' are the project's own naming convention.
- Source type
- derived
- Confidence
- high
- License
- MIT
- Last reviewed
- 2026-05-24
Workflow tags
Tailwind palette values are designed for digital interfaces under sRGB. For print, convert to a process-appropriate value and proof against the substrate; do not rely on sRGB CMYK conversion for color-critical print work.