Tints & Shades
50
100
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Scale from white (50) through Dark Olive Green (500) to black (900), interpolated in Lab color space.
Color Values
- HEX
- #556B2F
- RGB
- rgb(85, 107, 47)
- HSL
- hsl(82, 39%, 30%)
- OKLCH
- oklch(0.496 0.09 126)
- CMYK
- cmyk(21%, 0%, 56%, 58%)
--color-dark-olive-greenbg-[#556B2F]Accessibility
Score: 54/100On White (#FFF)
5.95:1
On Black (#000)
3.53:1
On Light Gray (#F5F5F5)
5.46:1
Best text color on this background:
Design Applications
background-color: #556B2F
color: #556B2F
bg-[#556B2F] text-[#FFFFFF]
border-left: 4px solid #556B2F
Color Harmonies
Complementary
Magnolia
#F8F4FF
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. Its deeper, richer tone gives it gravitas and sophistication, making it well-suited for primary brand colors, typography, and contexts where authority matters.
Industry Usage
Common contexts and industries where Dark Olive Green 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
Passes AA
4.5:1 minimum required
Large Text
Passes AA Large
3:1 minimum required
UI Components
Meets 1.4.11
3:1 for non-text UI
Dark Olive Green is a dark color. Use white (#FFFFFF) text on top of it for maximum readability (5.95:1). Avoid small black text on this background.
CSS & Code Examples
Background
background-color: #556B2F;Text
color: #556B2F;Border
border: 2px solid #556B2F;Box Shadow
box-shadow: 0 4px 20px #556B2F40;Gradient
background: linear-gradient(135deg, #556B2F, #83995a);Tailwind-style
--color-dark-olive-green: #556B2F;Tailwind CSS Utilities
Use arbitrary value syntax in Tailwind CSS to apply Dark Olive Green without a custom config.
Background
bg-[#556B2F]Text
text-[#556B2F]Border
border-[#556B2F]Ring
ring-[#556B2F]Fill
fill-[#556B2F]From (gradient)
from-[#556B2F]Via (gradient)
via-[#556B2F]To (gradient)
to-[#556B2F]Design Tokens
Ready-to-use Dark Olive Green design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.
CSS Custom Properties
:root {
--color-dark-olive-green: #556B2F;
--color-dark-olive-green-rgb: 85, 107, 47;
--color-dark-olive-green-hsl: 82, 39%, 30%;
}SCSS Variables
$color-dark-olive-green: #556B2F; $color-dark-olive-green-rgb: 85, 107, 47; $color-dark-olive-green-hsl: 82, 39%, 30%;
Tailwind v3 Config
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'dark-olive-green': '#556B2F',
},
},
},
};Tailwind v4 (@theme)
/* tailwind.css */
@theme {
--color-dark-olive-green: #556B2F;
}JSON Design Token (W3C format)
{
"dark-olive-green": {
"value": "#556B2F",
"type": "color",
"description": "Dark Olive Green — #556B2F"
}
}More green colors
View all →What Does Dark Olive Green Mean? Color Psychology & Cultural Symbolism
The green spectrum contains multitudes: jungle growth and financial gain, medical healing and environmental responsibility. Dark Olive Green at #556B2F navigates this complexity with a deep quality that emphasizes nature—the aspect of green psychology most useful in healthcare design.
- Across color psychology research, green consistently tests high for "health" associations, making Dark Olive Green a reliable vehicle for nature in cross-demographic audiences.
- Brand designers draw on green-family tones to project trustworthiness and reliability—values that Dark Olive Green communicates in a deep key.
- At 39% saturation, Dark Olive Green reads as subdued—neither overwhelming nor passive, landing in the growth, nature, health, and balance zone with measured confidence.
- Dark Olive Green's deep lightness (30%) shifts its psychological register: Forest and hunter greens project gravitas, tradition, and wealth—the preferred territory for luxury brands, financial institutions, and premium environmental products.
The enduring power of Dark Olive Green is that it never needs to explain itself—growth, health, and permission are universally understood.
How to Use Dark Olive Green in Design: Applications, Pairings & Best Practices
The design applications of Dark Olive Green span from digital UI states to full brand identity systems. Its subdued saturation (39%) means it reads as a refined, understated presence suited to sophisticated, restrained design systems in both contexts—strong accents, headers, and primary brand applications where visual authority is required 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: Dark Olive Green's complementary color creates a high-energy split ideal for promotional design; its analogous palette (±30° hue) builds cohesive, monochromatic sophistication.
- Proportional use: Dark Olive Green's subdued quality means it scales well across proportions—from full-bleed backgrounds to single-pixel borders—making it an unusually versatile palette component.
- As a dark tone, Dark Olive Green creates maximum contrast with white and light neutrals—excellent for creating premium dark-mode sections, bold headers, and high-drama brand moments
- Typography: Dark Olive Green works as a background behind white text but requires careful sizing—test at intended heading and body sizes before finalizing.
The enduring power of Dark Olive Green is that it never needs to explain itself—growth, health, and permission are universally understood.
Dark Olive Green Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design
Dark Olive Green (#556B2F) reaches 5.95:1 contrast with white text—meeting WCAG 2.1 AA minimum of 4.5:1 for normal text and 3:1 for large text. It clears standard production accessibility requirements. Relative luminance: 12.7%.
- As text on white (#FFFFFF): 5.95:1 — AA ✓
- As text on black (#000000): 3.53:1 — AA (large text only)
- Best text color on Dark Olive Green background: White (#FFFFFF) at 5.95:1
- WCAG 2.1 luminance: 12.7% — low luminance (dark)—it provides strong contrast for white and light overlaid text, functioning well as a background in dark-mode and header contexts
- Dark Olive Green qualifies for normal body text and all larger sizes (AA).
Dark Olive Green's WCAG profile makes it a compliant choice for most text applications.
Dark Olive Green in Industry: Branding, Design & Market Applications
Across industry research, green-family tones consistently outperform competitors in categories built on growth, nature, health, and balance. Dark Olive Green is a deep expression of this advantage—best positioned in Healthcare & Wellness and adjacent markets.
- 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: Patagonia, Allbirds, Grove Collaborative) The challenge is differentiation—nearly every sustainability brand uses green, so typography, illustration style, and specific tone matter more.
- Brand positioning: Dark Olive Green 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, Dark Olive Green works effectively in success states, approval indicators, sustainability branding—contexts where health serves a secondary but reinforcing role.
Dark Olive Green earns its strongest ROI in industries where trust and recognition compound over time: Healthcare & Wellness, Finance & Banking, Sustainability & Organic. Use it to build the kind of brand recognition that decades reinforce.
Accessibility & Design Guides
Frequently Asked Questions
- What is the hex code for Dark Olive Green? ▾
- The hex code for Dark Olive Green is #556B2F. Its RGB values are rgb(85, 107, 47) and its HSL values are hsl(82, 39%, 30%).
- What does Dark Olive Green 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. Its deeper, richer tone gives it gravitas and sophistication, making it well-suited for primary brand colors, typography, and contexts where authority matters.
- Is Dark Olive Green WCAG accessible? ▾
- Dark Olive Green (#556B2F) passes WCAG AA on white with a 5.95:1 contrast ratio. Its overall accessibility score is 54/100.
- What colors go well with Dark Olive Green? ▾
- Dark Olive Green pairs well with its complementary color Magnolia (#F8F4FF). Analogous colors like Antique Gold and Army Green also work harmoniously. Check the Color Harmonies section above for the full palette.
- What is Dark Olive Green used for? ▾
- Dark Olive Green 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 Dark Olive Green? ▾
- In CSS, use `color: #556B2F` or `background-color: #556B2F`. The CSS custom property is `--color-dark-olive-green: #556B2F`. In Tailwind CSS, use the arbitrary value class `bg-[#556B2F]` for backgrounds or `text-[#556B2F]` for text.