Tints & Shades
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Scale from white (50) through Green Yellow (500) to black (900), interpolated in Lab color space.
Color Values
- HEX
- #ADFF2F
- RGB
- rgb(173, 255, 47)
- HSL
- hsl(84, 100%, 59%)
- OKLCH
- oklch(0.913 0.233 130)
- CMYK
- cmyk(32%, 0%, 82%, 0%)
--color-green-yellowbg-[#ADFF2F]Accessibility
Score: 48/100On White (#FFF)
1.23:1
On Black (#000)
17.12:1
On Light Gray (#F5F5F5)
1.12:1
Best text color on this background:
Design Applications
background-color: #ADFF2F
color: #ADFF2F
bg-[#ADFF2F] text-[#000000]
border-left: 4px solid #ADFF2F
Color Harmonies
Complementary
Cyber Grape
#58427C
Split-Complementary
Similar Colors
Color Meaning & Psychology
Green occupies the center of the visible spectrum where the eye is most sensitive, making it the easiest color to process — literally restful for the eye. Green's associations with nature, growth, and fresh produce are deeply biological, rooted in the evolutionary advantage of finding food. In finance, "going green" means profit. In design, green signals health, sustainability, and natural ingredients. Darker greens evoke prestige and reliability; lighter greens feel fresh and energetic; blue-greens feel sophisticated and trustworthy. Green is uniquely cross-cultural in positive associations, though it represents environmental risk in some financial contexts. At medium lightness, it is the most versatile tone of this hue family — readable as text on light backgrounds, yet vibrant enough as a visual accent.
Industry Usage
Common contexts and industries where Green Yellow is applied in professional design.
- Financial services and investment platforms
- Health, wellness, and organic food brands
- Environmental and sustainability organizations
- Pharmaceutical and medical products
- Agriculture and farming brands
- Eco-friendly consumer goods
- Real estate and property development
- Success and achievement badges in UI
Accessibility Considerations
Normal Text
Fails AA
4.5:1 minimum required
Large Text
Fails AA Large
3:1 minimum required
UI Components
Check contrast
3:1 for non-text UI
Green Yellow is a light color. Use black (#000000) text on top of it for maximum readability (17.12:1). Avoid white text on this background.
CSS & Code Examples
Background
background-color: #ADFF2F;Text
color: #ADFF2F;Border
border: 2px solid #ADFF2F;Box Shadow
box-shadow: 0 4px 20px #ADFF2F40;Gradient
background: linear-gradient(135deg, #ADFF2F, #e3ff6a);Tailwind-style
--color-green-yellow: #ADFF2F;Tailwind CSS Utilities
Use arbitrary value syntax in Tailwind CSS to apply Green Yellow without a custom config.
Background
bg-[#ADFF2F]Text
text-[#ADFF2F]Border
border-[#ADFF2F]Ring
ring-[#ADFF2F]Fill
fill-[#ADFF2F]From (gradient)
from-[#ADFF2F]Via (gradient)
via-[#ADFF2F]To (gradient)
to-[#ADFF2F]Design Tokens
Ready-to-use Green Yellow design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.
CSS Custom Properties
:root {
--color-green-yellow: #ADFF2F;
--color-green-yellow-rgb: 173, 255, 47;
--color-green-yellow-hsl: 84, 100%, 59%;
}SCSS Variables
$color-green-yellow: #ADFF2F; $color-green-yellow-rgb: 173, 255, 47; $color-green-yellow-hsl: 84, 100%, 59%;
Tailwind v3 Config
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'green-yellow': '#ADFF2F',
},
},
},
};Tailwind v4 (@theme)
/* tailwind.css */
@theme {
--color-green-yellow: #ADFF2F;
}JSON Design Token (W3C format)
{
"green-yellow": {
"value": "#ADFF2F",
"type": "color",
"description": "Green Yellow — #ADFF2F"
}
}More green colors
View all →What Does Green Yellow Mean? Color Psychology & Cultural Symbolism
Among the visible spectrum's hues, green holds a special place in human perception—it occupies the exact center wavelength range where the eye's cone cells are most sensitive, creating a uniquely comfortable, balanced viewing experience. Green Yellow (#ADFF2F) channels this as harmony: a quality that feels as natural as it is intentional.
- Across color psychology research, green consistently tests high for "health" associations, making Green Yellow a reliable vehicle for harmony in cross-demographic audiences.
- Brand designers draw on green-family tones to project trustworthiness and reliability—values that Green Yellow communicates in a mid-tone key.
- At 100% saturation, Green Yellow reads as vivid—Electric and lime greens are among the most energetic hues in the spectrum—striking, modern, and attention-commanding, used in sports, gaming, and tech-forward branding.
- Green Yellow's mid-tone lightness (59%) shifts its psychological register: a balanced mid-tone that embodies growth, nature, health, and balance at its most direct.
The enduring power of Green Yellow is that it never needs to explain itself—growth, health, and permission are universally understood.
How to Use Green Yellow in Design: Applications, Pairings & Best Practices
The design applications of Green Yellow span from digital UI states to full brand identity systems. Its vivid saturation (100%) means it reads as a high-energy presence that demands attention in any composition in both contexts—mid-weight applications including UI components, icons, and moderate-emphasis text elements in background uses, more active as an accent.
- Avoid: warning or danger contexts (except for safety signs), over-saturated versions in premium luxury branding, and contexts requiring urgency.
- Color harmonies: Green Yellow's complementary color creates a high-energy split ideal for promotional design; its analogous palette (±30° hue) builds cohesive, monochromatic sophistication.
- Proportional use: Green Yellow's vivid saturation (100%) means small applications—accents, highlights, icons—deliver maximum impact without visual fatigue. Reserve large-scale use for intentional brand moments.
- Green Yellow creates strong legibility with black text overlays (17.1:1 contrast ratio), making it a reliable background or surface color in design systems
- Typography: Green Yellow as text requires a dark background; its 59% lightness means it provides 1.2:1 contrast on white, not meeting WCAG AA.
The enduring power of Green Yellow is that it never needs to explain itself—growth, health, and permission are universally understood.
Green Yellow Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design
Green Yellow (#ADFF2F) achieves a 17.12:1 contrast ratio with black text, surpassing the WCAG 2.1 AAA threshold of 7:1. This exceptional contrast qualifies it for body text, UI components at any size, and all accessibility-sensitive interface contexts. Relative luminance: 80.6%.
- As text on white (#FFFFFF): 1.23:1 — Fail
- As text on black (#000000): 17.12:1 — AAA ✓
- Best text color on Green Yellow background: Black (#000000) at 17.12:1
- WCAG 2.1 luminance: 80.6% — high-luminance (near-white)—it provides excellent readability for dark text overlays and integrates naturally into light design systems
- Green Yellow qualifies for all text sizes including small body copy (AAA).
Green Yellow's WCAG profile makes it a compliant choice for most text applications.
Green Yellow in Industry: Branding, Design & Market Applications
Green Yellow (#ADFF2F) is most at home in industries where growth, nature, health, and balance are key brand values. Its mid-tone quality makes it particularly effective in Healthcare & Wellness contexts, where the vivid saturation signals health at exactly the right register.
- Healthcare & Wellness: Green's association with health, nature, and healing makes it the second-most-common color in healthcare branding (after blue). It signals vitality, recovery, and natural wellness without the clinical coldness of pure white or blue. (examples: CVS Health, Mayo Clinic, Kaiser Permanente) Works best in teal-green and sage variations for digital health products; more saturated greens suit fitness and sports medicine.
- Finance & Banking: In Western markets, the green-money association is deeply embedded. Financial institutions use dark, sophisticated greens to communicate growth, prosperity, and fiduciary reliability. It's equally effective for positive portfolio indicators and "go" confirmation states in trading UIs. (examples: Capital One, PayPal, Visa) Dark greens with gold accents signal premium financial services; bright greens in fintech apps signal growth metrics.
- Sustainability & Organic: Green is the categorical color of environmental consciousness. Sustainability brands, organic food labels, and clean-energy companies use it as an immediate, unambiguous signal of ecological values and natural origin. (examples: Pela Case, Grove Collaborative, Allbirds) The challenge is differentiation—nearly every sustainability brand uses green, so typography, illustration style, and specific tone matter more.
- Brand positioning: Green Yellow is best suited for brands projecting health, sustainability, growth. Categories outside this positioning—warning or danger contexts (except for safety signs)—tend to see weaker results.
- Adjacent applications: Beyond primary industries, Green Yellow works effectively in success states, approval indicators, sustainability branding—contexts where health serves a secondary but reinforcing role.
The industries where Green Yellow performs best are those where the audience expects health. Build brand strategy around this alignment, not against it.
Accessibility & Design Guides
Frequently Asked Questions
- What is the hex code for Green Yellow? ▾
- The hex code for Green Yellow is #ADFF2F. Its RGB values are rgb(173, 255, 47) and its HSL values are hsl(84, 100%, 59%).
- What does Green Yellow mean in design? ▾
- Green occupies the center of the visible spectrum where the eye is most sensitive, making it the easiest color to process — literally restful for the eye. Green's associations with nature, growth, and fresh produce are deeply biological, rooted in the evolutionary advantage of finding food. In finance, "going green" means profit. In design, green signals health, sustainability, and natural ingredients. Darker greens evoke prestige and reliability; lighter greens feel fresh and energetic; blue-greens feel sophisticated and trustworthy. Green is uniquely cross-cultural in positive associations, though it represents environmental risk in some financial contexts. At medium lightness, it is the most versatile tone of this hue family — readable as text on light backgrounds, yet vibrant enough as a visual accent.
- Is Green Yellow WCAG accessible? ▾
- Green Yellow (#ADFF2F) does not pass WCAG AA on white (1.23:1 ratio). Use it on dark backgrounds where it achieves 17.12:1. Its overall accessibility score is 48/100.
- What colors go well with Green Yellow? ▾
- Green Yellow pairs well with its complementary color Cyber Grape (#58427C). Analogous colors like Khaki and Army Green also work harmoniously. Check the Color Harmonies section above for the full palette.
- What is Green Yellow used for? ▾
- Green Yellow is commonly used for: Financial services and investment platforms; Health, wellness, and organic food brands; Environmental and sustainability organizations; Pharmaceutical and medical products; Agriculture and farming brands.
- What are the CSS and Tailwind values for Green Yellow? ▾
- In CSS, use `color: #ADFF2F` or `background-color: #ADFF2F`. The CSS custom property is `--color-green-yellow: #ADFF2F`. In Tailwind CSS, use the arbitrary value class `bg-[#ADFF2F]` for backgrounds or `text-[#ADFF2F]` for text.