Emerald 500
emerald-500 · #10B981
HEX
#10B981
RGB
rgb(16, 185, 129)
CMYK
cmyk(91%, 0%, 30%, 27%)
HSL
hsl(160, 84%, 39%)
LAB
lab(66.8, -52.2, 17.7)
What is Emerald 500?
Emerald 500 is the emerald-500 reference in the Tailwind CSS palette. Its sRGB value is #10B981 (rgb 16, 185, 129). 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 500 as a background.
Black text on this color
White text on this color
Shades, tints & tonal scale of Emerald 500
An 11-step tonal scale derived from Emerald 500 (#10B981). 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
#ECF9F5
#ECF9F5
100
#D9F4EB
#D9F4EB
200
#B3E9D7
#B3E9D7
300
#88DCC0
#88DCC0
400
#4CCBA1
#4CCBA1
500
#10B981
#10B981
600
#0E9D6E
#0E9D6E
700
#0A7854
#0A7854
800
#07533A
#07533A
900
#042E20
#042E20
950
#02160F
#02160F
Lighter tints (mixed with white)
15%
#6DC69D
30%
#96D1B4
45%
#B3DCC7
60%
#CCE6D8
75%
#E1F0E8
Darker shades (mixed with black)
15%
#0EAC78
30%
#0C9E6D
45%
#098D61
60%
#077A54
75%
#046242
Color harmonies for Emerald 500
Classic color-theory harmonies derived from rotating the hue of Emerald 500. Use these to build accent palettes, brand systems, and accessible UI color pairings.
Complementary
180° opposite — strongest contrast
#10B981
#10B981
#B71048
#B71048
Triadic
Three colors 120° apart
#10B981
#10B981
#7F10B7
#7F10B7
#B77F10
#B77F10
Analogous
Two neighbors ±30° on the wheel
#10B72C
#10B72C
#10B981
#10B981
#109BB7
#109BB7
Split-complementary
Base + two colors flanking its complement
#10B981
#10B981
#B7109B
#B7109B
#B72C10
#B72C10
Tetradic
Two complementary pairs
#10B981
#10B981
#1048B7
#1048B7
#B71048
#B71048
#B77F10
#B77F10
Square
Four colors evenly spaced 90° apart
#10B981
#10B981
#2C10B7
#2C10B7
#B71048
#B71048
#9BB710
#9BB710
Emerald 500 in every color space
Full conversion of Emerald 500 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
#10B981
RGB
rgb(16, 185, 129)
CMYK
cmyk(91%, 0%, 30%, 27%)
HSL
hsl(160, 84%, 39%)
HSV
hsv(160, 91%, 73%)
HWB
hwb(160 6% 27%)
CIE Lab
lab(66.8 -52.2 17.7)
OKLCH
oklch(69.6% 0.149 162.5)
XYZ (D65)
xyz(21.52, 36.39, 26.65)
Copy-ready code for Emerald 500
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: #10B981;
background-color: #10B981;CSS variable
:root {
--color-emerald-500: #10B981;
}Tailwind config
// tailwind.config.js
colors: {
'emerald-500': '#10B981',
}Sass
$color-emerald-500: #10B981;Swift UIColor
UIColor(red: 0.063, green: 0.725, blue: 0.506, alpha: 1.0)Android XML
<color name="emerald-500">#10B981</color>Closest match in every color system
The nearest Emerald 500 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 6021
#89AC76
Pale green
RAL 6018
#57A639
Yellow green
RAL 6017
#4C9141
May green
RAL 6027
#84C3BE
Light green
RAL 6024
#308446
Traffic green
RAL 6019
#BDECB6
Pastel green
FAQ about Emerald 500
What is the HEX code for Emerald 500?
Emerald 500 (emerald-500) has the HEX code #10B981. In RGB it is rgb(16, 185, 129), and in CMYK it is cmyk(91%, 0%, 30%, 27%).
What is the OKLCH value of Emerald 500?
Emerald 500 converts to oklch(0.696 0.149 162.5). OKLCH is the perceptually uniform color space used by Tailwind v4 and CSS Color Module Level 4.
Is Emerald 500 accessible for body text?
Used as a background, Emerald 500 has a contrast ratio of 8.28:1 with black text and 2.54:1 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 500?
The closest Pantone reference to Emerald 500 by ΔE2000 perceptual distance is Pantone Process Green C (#00AD83). 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 500?
The closest RAL Classic reference to Emerald 500 by ΔE2000 distance is RAL 6021 (Pale green, #89AC76). RAL is a German industrial coating standard commonly used for paint, powder coat, and architectural specification.
What is the complementary color of Emerald 500?
The complementary color (180° opposite on the HSL color wheel) of Emerald 500 is #B71048. 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.