Color Directory/Sea Green

Sea Green (#2E8B57)

Luminance: 20% · Nearest standard name: Sea Green

SEA GREEN
#2E8B57
rgb(46, 139, 87) · hsl(146°, 50%, 36%)
HEX#2E8B57
RGB46, 139, 87
HSL146°, 50%, 36%
HSV / HSB146°, 67%, 55%
CMYK (Print)67%, 0%, 37%, 45%

Color Harmonies

Complementary

#2E8B57#8A2E62

Analogous

#348A2E#2E8B57#2E8A84

Triadic

#2E8B57#562E8A#8A562E

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)4.25:1

Sample text rendered with #2E8B57 on white

AA Normal: FAILAA Large: PASS
Against Dark (#0F172A)4.21:1

Sample text rendered with #2E8B57 on dark

AA Normal: FAILAA Large: PASS
Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Sea Green (#2E8B57)

Sea Green (#2E8B57) is a distinct shade within the Emerald Green chromatic spectrum. Characterized by an optical luminance of 20% and a warm-cool hybrid (vegetal / lime) color temperature, this tone plays a vital role across web applications, brand identities, and editorial typography. Discover its mathematical harmonies, accessibility metrics, UI engineering roles, and front-end code tokens.

Technical Colorimetry & Coordinate Breakdown

Exact mathematical values across digital display, print press, and human perceptual spaces.

HEX Code#2E8B57
RGB Space46, 139, 87
HSL Values146°, 50%, 36%
HSV / HSB146°, 67%, 55%
CMYK Ink67%, 0%, 37%, 45%
TemperatureWarm-Cool Hybrid (Vegetal / Lime)

Optical Color Harmony Formulas for Sea Green

Geometric intervals calculated from #2E8B57 on the 360-degree color wheel.

Direct Polar (180°)#8A2E62

Complementary Harmony

Pairs Sea Green with its polar opposite (#8A2E62) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#348A2E · #2E8A84

Analogous Harmony

Positions adjacent neighboring hues on either side of Sea Green for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#842E8A · #8A2E34

Split-Complementary

Uses the two colors flanking the direct complement of Sea Green, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#562E8A · #8A562E

Triadic Harmony

Forms an equilateral triangle on the color wheel, generating playful, dynamic energy when balanced against a neutral background.

Rectangular (90°)#2E348A · #8A2E62 · #8A842E

Tetradic (Square) Harmony

A rich four-color scheme combining two complementary pairs, ideal for complex dashboards, gaming HUDs, and multi-tier charts.

Interactive Exploration

Build Palettes With Sea Green

Lock #2E8B57 inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Sea Green

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Interactive Brand Accent (10% Volume)

With a saturation of 50% and lightness of 36%, Sea Green (#2E8B57) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.

Light Mode SurfaceIdeal for buttons and badges
Dark Mode AdaptationDesaturate slightly for ambient glow

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

Communicates organic vitality, restorative health, prosperity, and ecological balance. Evokes natural renewal and positive validation.

Optimal Industry Verticals

Sustainable Commerce, Clean Energy, Health & Wellness, Wealth Management. Combining Sea Green with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Sea Green

Drop-in design system tokens for CSS, Tailwind CSS, and SCSS.

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-2e8b57: #2E8B57;
  --color-2e8b57-rgb: 46, 139, 87;
  --color-2e8b57-hsl: 146deg 50% 36%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        '2e8b57': '#2E8B57',
      }
    }
  }
};

Frequently Asked Questions About Sea Green (#2E8B57)

Authoritative answers covering Sea Green color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Sea Green (#2E8B57)?
Sea Green is defined by the HEX code #2E8B57. Its digital screen RGB coordinates are R:46, G:139, B:87. Its cylindrical HSL values are Hue:146°, Saturation:50%, Lightness:36%. In HSV/HSB format, it is 146°, 67%, 55%. For four-color CMYK process printing, its ink percentages are C:67%, M:0%, Y:37%, K:45%.
Does Sea Green (#2E8B57) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Sea Green achieves a contrast ratio of 4.25:1 (Failing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 4.21:1 (Failing WCAG AA).
What is the direct complementary color for Sea Green (#2E8B57)?
The exact 180-degree optical complementary color for #2E8B57 is #8A2E62. When placed side-by-side, #2E8B57 and #8A2E62 create maximum visual tension and high click-through conversion rates.
What is the recommended role for Sea Green in the 60-30-10 UI design rule?
With a saturation of 50% and lightness of 36%, Sea Green (#2E8B57) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.
How can I copy and export Sea Green into Tailwind CSS and CSS variables?
You can define Sea Green in CSS custom properties as ':root { --color-custom: #2E8B57; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Sea Green using our interactive Color Palette Generator.
Which color family does Sea Green (#2E8B57) belong to?
Sea Green belongs to the Emerald Green family (Warm-Cool Hybrid (Vegetal / Lime) spectrum). You can explore full tonal ramps and curated palettes in our Emerald Green Color Guide.