Emerald 900
emerald-900 · #064E3B
HEX
#064E3B
RGB
rgb(6, 78, 59)
CMYK
cmyk(92%, 0%, 24%, 69%)
HSL
hsl(164, 86%, 16%)
LAB
lab(28.9, -25.8, 5.5)
What is Emerald 900?
Emerald 900 is the emerald-900 reference in the Tailwind CSS palette. Its sRGB value is #064E3B (rgb 6, 78, 59). 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 900 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Emerald 900
An 11-step tonal scale derived from Emerald 900 (#064E3B). 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
#EBF1EF
#EBF1EF
100
#D7E3E0
#D7E3E0
200
#AFC6C0
#AFC6C0
300
#83A79D
#83A79D
400
#447A6C
#447A6C
500
#064E3B
#064E3B
600
#054232
#054232
700
#043326
#043326
800
#03231B
#03231B
900
#02140F
#02140F
950
#010907
#010907
Lighter tints (mixed with white)
15%
#6D8078
30%
#95A09C
45%
#B3BAB7
60%
#CCD0CE
75%
#E1E3E2
Darker shades (mixed with black)
15%
#054836
30%
#044131
45%
#033A2B
60%
#023124
75%
#02261B
Color harmonies for Emerald 900
Classic color-theory harmonies derived from rotating the hue of Emerald 900. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#064E3B
#064E3B
#4C0618
#4C0618
Triadic
Three colors 120° apart
#064E3B
#064E3B
#39064C
#39064C
#4C3906
#4C3906
Analogous
Two neighbors ±30° on the wheel
#064C16
#064C16
#064E3B
#064E3B
#063C4C
#063C4C
Split-complementary
Base + two colors flanking its complement
#064E3B
#064E3B
#4C063C
#4C063C
#4C1606
#4C1606
Tetradic
Two complementary pairs
#064E3B
#064E3B
#06184C
#06184C
#4C0618
#4C0618
#4C3906
#4C3906
Square
Four colors evenly spaced 90° apart
#064E3B
#064E3B
#16064C
#16064C
#4C0618
#4C0618
#3C4C06
#3C4C06
Emerald 900 in every color space
Full conversion of Emerald 900 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
#064E3B
RGB
rgb(6, 78, 59)
CMYK
cmyk(92%, 0%, 24%, 69%)
HSL
hsl(164, 86%, 16%)
HSV
hsv(164, 92%, 31%)
HWB
hwb(164 2% 69%)
CIE Lab
lab(28.9 -25.8 5.5)
OKLCH
oklch(37.8% 0.073 168.9)
XYZ (D65)
xyz(3.59, 5.80, 5.07)
Copy-ready code for Emerald 900
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: #064E3B;
background-color: #064E3B;CSS variable
:root {
--color-emerald-900: #064E3B;
}Tailwind config
// tailwind.config.js
colors: {
'emerald-900': '#064E3B',
}Sass
$color-emerald-900: #064E3B;Swift UIColor
UIColor(red: 0.024, green: 0.306, blue: 0.231, alpha: 1.0)Android XML
<color name="emerald-900">#064E3B</color>Closest match in every color system
The nearest Emerald 900 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 6016
#1E5945
Turquoise green
RAL 6028
#2C5545
Pine green
RAL 6026
#015D52
Opal green
RAL 6029
#20603D
Mint green
RAL 6000
#316650
Patina green
RAL 6005
#2F4538
Moss green
FAQ about Emerald 900
What is the HEX code for Emerald 900?
Emerald 900 (emerald-900) has the HEX code #064E3B. In RGB it is rgb(6, 78, 59), and in CMYK it is cmyk(92%, 0%, 24%, 69%).
What is the OKLCH value of Emerald 900?
Emerald 900 converts to oklch(0.378 0.073 168.9). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Emerald 900 accessible for body text?
Used as a background, Emerald 900 has a contrast ratio of 2.16:1 with black text and 9.72:1 with white text. WCAG 2.1 AA requires 4.5:1 for normal text. The current recommendation is to use white text and verify in real UI context.
What is the closest Pantone to Emerald 900?
The closest Pantone reference to Emerald 900 by ΔE2000 perceptual distance is Pantone 7484 C (#00573F). 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 900?
The closest RAL Classic reference to Emerald 900 by ΔE2000 distance is RAL 6016 (Turquoise green, #1E5945). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Emerald 900?
The complementary color (180° opposite on the HSL color wheel) of Emerald 900 is #4C0618. 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.