Is Fern Green (#4F7942) accessible for digital body text?

Against a pure white background (#FFFFFF), #4F7942 achieves a contrast ratio of 5.07:1 (Passing WCAG AA normal text). Against a dark slate background (#0F172A), it achieves a contrast ratio of 3.52:1 (Failing WCAG AA normal text).

Which color harmonies pair best with Fern Green?

The exact complementary color for #4F7942 is #6D437A. For analogous pairings, use #6B7A43 and #437A52. You can explore these combinations further in our Color Harmony Generator.

Color Directory/Fern Green

Fern Green (#4F7942)

Q: What are the exact digital and print color codes for Fern Green (#4F7942)?

Fern Green has the HEX code #4F7942. In RGB color coordinates, its values are 79, 121, 66. In HSL, it is 106°, 29%, 37%. In CMYK print values, it corresponds to C:35% M:0% Y:45% K:53%.

Luminance: 16% · Nearest standard name: Fern Green

Generate Around This Color

FERN GREEN

#4F7942

rgb(79, 121, 66) · hsl(106°, 29%, 37%)

HEX#4F7942

RGB79, 121, 66

HSL106°, 29%, 37%

HSV / HSB106°, 45%, 47%

CMYK (Print)35%, 0%, 45%, 53%

Color Harmonies

Complementary

#4F7942#6D437A

Analogous

#6B7A43#4F7942#437A52

Triadic

#4F7942#43507A#7A4350

Tints & Shades

Lighter Tints

Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)5.07:1

Sample text rendered with #4F7942 on white

AA Normal: PASSAA Large: PASS

Against Dark (#0F172A)3.52:1

Sample text rendered with #4F7942 on dark

AA Normal: FAILAA Large: PASS

Palettes Featuring Similar Tones

cp-featured-01Technology

TechModernCool

cp-featured-02Sunset

SunsetGradientCreative

cp-featured-03Vintage

VintageRetroWarm

cp-featured-04Gaming

Cyber Glitch Protocol

GamingFuturisticNeon

Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Fern Green (#4F7942)

Fern Green (#4F7942) is a distinct shade within the Emerald Green chromatic spectrum. Characterized by an optical luminance of 16% 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#4F7942

RGB Space79, 121, 66

HSL Values106°, 29%, 37%

HSV / HSB106°, 45%, 47%

CMYK Ink35%, 0%, 45%, 53%

TemperatureWarm-Cool Hybrid (Vegetal / Lime)

Optical Color Harmony Formulas for Fern Green

Geometric intervals calculated from #4F7942 on the 360-degree color wheel.

Direct Polar (180°)#6D437A

Complementary Harmony

Pairs Fern Green with its polar opposite (#6D437A) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#6B7A43 · #437A52

Analogous Harmony

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

Split Angles (150° / 210°)#52437A · #7A436B

Split-Complementary

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

Triangular (120°)#43507A · #7A4350

Triadic Harmony

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

Rectangular (90°)#436B7A · #6D437A · #7A5243

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 Fern Green

Lock #4F7942 inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

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

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Interactive Brand Accent (10% Volume)

With a saturation of 29% and lightness of 37%, Fern Green (#4F7942) 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

Tonal Expansion ScaleView 10-step design token ramp →

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 Fern Green with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Fern Green

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

CSS Custom Properties (:root)Vanilla CSS

:root {
  --color-4f7942: #4F7942;
  --color-4f7942-rgb: 79, 121, 66;
  --color-4f7942-hsl: 106deg 29% 37%;
}

tailwind.config.jsTailwind CSS

module.exports = {
  theme: {
    extend: {
      colors: {
        '4f7942': '#4F7942',
      }
    }
  }
};

Explore Related Color Tools for Fern Green

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Fern Green.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Fern Green against any background.

Check Contrast

Shades & Tints Scale

Generate a full 10-step tonal scale from 50 to 900 for Fern Green.

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Fern Green with complementary hues.

Build Gradients

Frequently Asked Questions About Fern Green (#4F7942)

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

What are the exact digital and print color codes for Fern Green (#4F7942)?

Fern Green is defined by the HEX code #4F7942. Its digital screen RGB coordinates are R:79, G:121, B:66. Its cylindrical HSL values are Hue:106°, Saturation:29%, Lightness:37%. In HSV/HSB format, it is 106°, 45%, 47%. For four-color CMYK process printing, its ink percentages are C:35%, M:0%, Y:45%, K:53%.

Does Fern Green (#4F7942) pass WCAG 2.2 accessibility standards for text readability?

Against a pure white (#FFFFFF) background, Fern Green achieves a contrast ratio of 5.07:1 (Passing WCAG AA for normal body text, and Passing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 3.52:1 (Failing WCAG AA).

What is the direct complementary color for Fern Green (#4F7942)?

The exact 180-degree optical complementary color for #4F7942 is #6D437A. When placed side-by-side, #4F7942 and #6D437A create maximum visual tension and high click-through conversion rates.

What is the recommended role for Fern Green in the 60-30-10 UI design rule?

How can I copy and export Fern Green into Tailwind CSS and CSS variables?

You can define Fern Green in CSS custom properties as ':root { --color-custom: #4F7942; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Fern Green using our interactive Color Palette Generator.

Which color family does Fern Green (#4F7942) belong to?

Fern 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.