Is Chartreuse (#7FFF00) accessible for digital body text?

Against a pure white background (#FFFFFF), #7FFF00 achieves a contrast ratio of 1.30:1 (Failing WCAG AA normal text). Against a dark slate background (#0F172A), it achieves a contrast ratio of 13.78:1 (Passing WCAG AA normal text).

Which color harmonies pair best with Chartreuse?

The exact complementary color for #7FFF00 is #7F00FF. For analogous pairings, use #FFFF00 and #00FF00. You can explore these combinations further in our Color Harmony Generator.

Color Directory/Chartreuse

Chartreuse (#7FFF00)

Q: What are the exact digital and print color codes for Chartreuse (#7FFF00)?

Chartreuse has the HEX code #7FFF00. In RGB color coordinates, its values are 127, 255, 0. In HSL, it is 90°, 100%, 50%. In CMYK print values, it corresponds to C:50% M:0% Y:100% K:0%.

Luminance: 76% · Nearest standard name: Chartreuse

Generate Around This Color

CHARTREUSE

#7FFF00

rgb(127, 255, 0) · hsl(90°, 100%, 50%)

HEX#7FFF00

RGB127, 255, 0

HSL90°, 100%, 50%

HSV / HSB90°, 100%, 100%

CMYK (Print)50%, 0%, 100%, 0%

Color Harmonies

Complementary

#7FFF00#7F00FF

Analogous

#FFFF00#7FFF00#00FF00

Triadic

#7FFF00#007FFF#FF0080

Tints & Shades

Lighter Tints

Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)1.30:1

Sample text rendered with #7FFF00 on white

AA Normal: FAILAA Large: FAIL

Against Dark (#0F172A)13.78:1

Sample text rendered with #7FFF00 on dark

AA Normal: PASSAA 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 Chartreuse (#7FFF00)

Chartreuse (#7FFF00) is a distinct shade within the Emerald Green chromatic spectrum. Characterized by an optical luminance of 76% 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#7FFF00

RGB Space127, 255, 0

HSL Values90°, 100%, 50%

HSV / HSB90°, 100%, 100%

CMYK Ink50%, 0%, 100%, 0%

TemperatureWarm-Cool Hybrid (Vegetal / Lime)

Optical Color Harmony Formulas for Chartreuse

Geometric intervals calculated from #7FFF00 on the 360-degree color wheel.

Direct Polar (180°)#7F00FF

Complementary Harmony

Pairs Chartreuse with its polar opposite (#7F00FF) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#FFFF00 · #00FF00

Analogous Harmony

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

Split Angles (150° / 210°)#0000FF · #FF00FF

Split-Complementary

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

Triangular (120°)#007FFF · #FF0080

Triadic Harmony

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

Rectangular (90°)#00FFFF · #7F00FF · #FF0000

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 Chartreuse

Lock #7FFF00 inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Chartreuse

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Interactive Brand Accent (10% Volume)

With a saturation of 100% and lightness of 50%, Chartreuse (#7FFF00) 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

This color projects authority, intelligence, and calm dependability. Universally trusted across enterprise software and fintech products.

Optimal Industry Verticals

Fintech, Enterprise SaaS, Healthcare, Cloud Infrastructure. Combining Chartreuse with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Chartreuse

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

CSS Custom Properties (:root)Vanilla CSS

:root {
  --color-7fff00: #7FFF00;
  --color-7fff00-rgb: 127, 255, 0;
  --color-7fff00-hsl: 90deg 100% 50%;
}

tailwind.config.jsTailwind CSS

module.exports = {
  theme: {
    extend: {
      colors: {
        '7fff00': '#7FFF00',
      }
    }
  }
};

Explore Related Color Tools for Chartreuse

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Chartreuse.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Chartreuse against any background.

Check Contrast

Shades & Tints Scale

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

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Chartreuse with complementary hues.

Build Gradients

Frequently Asked Questions About Chartreuse (#7FFF00)

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

What are the exact digital and print color codes for Chartreuse (#7FFF00)?

Chartreuse is defined by the HEX code #7FFF00. Its digital screen RGB coordinates are R:127, G:255, B:0. Its cylindrical HSL values are Hue:90°, Saturation:100%, Lightness:50%. In HSV/HSB format, it is 90°, 100%, 100%. For four-color CMYK process printing, its ink percentages are C:50%, M:0%, Y:100%, K:0%.

Does Chartreuse (#7FFF00) pass WCAG 2.2 accessibility standards for text readability?

Against a pure white (#FFFFFF) background, Chartreuse achieves a contrast ratio of 1.30:1 (Failing WCAG AA for normal body text, and Failing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 13.78:1 (Passing WCAG AA).

What is the direct complementary color for Chartreuse (#7FFF00)?

The exact 180-degree optical complementary color for #7FFF00 is #7F00FF. When placed side-by-side, #7FFF00 and #7F00FF create maximum visual tension and high click-through conversion rates.

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

How can I copy and export Chartreuse into Tailwind CSS and CSS variables?

You can define Chartreuse in CSS custom properties as ':root { --color-custom: #7FFF00; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Chartreuse using our interactive Color Palette Generator.

Which color family does Chartreuse (#7FFF00) belong to?

Chartreuse 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.