Tints & Shades
50
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Scale from white (50) through Medium Spring Green (500) to black (900), interpolated in Lab color space.
Color Values
- HEX
- #00FA9A
- RGB
- rgb(0, 250, 154)
- HSL
- hsl(157, 100%, 49%)
- OKLCH
- oklch(0.867 0.207 157)
- CMYK
- cmyk(100%, 0%, 38%, 2%)
--color-medium-spring-greenbg-[#00FA9A]Accessibility
Score: 48/100On White (#FFF)
1.39:1
On Black (#000)
15.14:1
On Light Gray (#F5F5F5)
1.27:1
Best text color on this background:
Design Applications
background-color: #00FA9A
color: #00FA9A
bg-[#00FA9A] text-[#000000]
border-left: 4px solid #00FA9A
Color Harmonies
Complementary
Queen Pink
#E8CCD7
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 Medium Spring 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
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
Medium Spring Green is a light color. Use black (#000000) text on top of it for maximum readability (15.14:1). Avoid white text on this background.
CSS & Code Examples
Background
background-color: #00FA9A;Text
color: #00FA9A;Border
border: 2px solid #00FA9A;Box Shadow
box-shadow: 0 4px 20px #00FA9A40;Gradient
background: linear-gradient(135deg, #00FA9A, #6bffcb);Tailwind-style
--color-medium-spring-green: #00FA9A;Tailwind CSS Utilities
Use arbitrary value syntax in Tailwind CSS to apply Medium Spring Green without a custom config.
Background
bg-[#00FA9A]Text
text-[#00FA9A]Border
border-[#00FA9A]Ring
ring-[#00FA9A]Fill
fill-[#00FA9A]From (gradient)
from-[#00FA9A]Via (gradient)
via-[#00FA9A]To (gradient)
to-[#00FA9A]Design Tokens
Ready-to-use Medium Spring Green design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.
CSS Custom Properties
:root {
--color-medium-spring-green: #00FA9A;
--color-medium-spring-green-rgb: 0, 250, 154;
--color-medium-spring-green-hsl: 157, 100%, 49%;
}SCSS Variables
$color-medium-spring-green: #00FA9A; $color-medium-spring-green-rgb: 0, 250, 154; $color-medium-spring-green-hsl: 157, 100%, 49%;
Tailwind v3 Config
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'medium-spring-green': '#00FA9A',
},
},
},
};Tailwind v4 (@theme)
/* tailwind.css */
@theme {
--color-medium-spring-green: #00FA9A;
}JSON Design Token (W3C format)
{
"medium-spring-green": {
"value": "#00FA9A",
"type": "color",
"description": "Medium Spring Green — #00FA9A"
}
}More green colors
View all →What Does Medium Spring Green Mean? Color Psychology & Cultural Symbolism
Color researchers consistently find that green environments lower cortisol levels and increase feelings of calm and restorative focus. Medium Spring Green carries this quality into designed spaces—projecting nature through its medium character at 49% lightness.
- Across color psychology research, green consistently tests high for "health" associations, making Medium Spring Green a reliable vehicle for nature in cross-demographic audiences.
- Brand designers draw on green-family tones to project trustworthiness and reliability—values that Medium Spring Green communicates in a medium key.
- At 100% saturation, Medium Spring Green 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.
- Medium Spring Green's medium lightness (49%) shifts its psychological register: a balanced mid-tone that embodies growth, nature, health, and balance at its most direct.
In a well-designed system, Medium Spring Green is the color that answers yes. Use it where affirmation matters.
How to Use Medium Spring Green in Design: Applications, Pairings & Best Practices
In design, Medium Spring Green does double duty: as a semantic color (success, go, positive) and an aesthetic one (natural, health-forward, balanced). Understanding which role it's playing in any given context determines how to use it effectively.
- Avoid: warning or danger contexts (except for safety signs), over-saturated versions in premium luxury branding, and contexts requiring urgency.
- Color harmonies: Medium Spring Green's complementary color creates a high-energy split ideal for promotional design; its analogous palette (±30° hue) builds cohesive, monochromatic sophistication.
- Proportional use: Medium Spring Green's vivid saturation (100%) means small applications—accents, highlights, icons—deliver maximum impact without visual fatigue. Reserve large-scale use for intentional brand moments.
- Medium Spring Green creates strong legibility with black text overlays (15.1:1 contrast ratio), making it a reliable background or surface color in design systems
- Typography: Medium Spring Green as text requires a dark background; its 49% lightness means it provides 1.4:1 contrast on white, not meeting WCAG AA.
In a well-designed system, Medium Spring Green is the color that answers yes. Use it where affirmation matters.
Medium Spring Green Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design
Medium Spring Green (#00FA9A) achieves a 15.14:1 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: 70.7%.
- As text on white (#FFFFFF): 1.39:1 — Fail
- As text on black (#000000): 15.14:1 — AAA ✓
- Best text color on Medium Spring Green background: Black (#000000) at 15.14:1
- WCAG 2.1 luminance: 70.7% — high-luminance (near-white)—it provides excellent readability for dark text overlays and integrates naturally into light design systems
- Medium Spring Green qualifies for all text sizes including small body copy (AAA).
For production use, test Medium Spring Green against your specific background colors rather than assuming #FFFFFF or #000000 performance translates. Surrounding colors alter perceived contrast.
Medium Spring Green in Industry: Branding, Design & Market Applications
Medium Spring Green's brand positioning falls squarely in the territory of growth, nature, health, and balance. Industry data supports its strongest performance in healthcare, finance, food & organic categories, where the vivid saturation calibrates the message at a medium, considered level.
- 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: Headspace, One Medical, 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: Medium Spring 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, Medium Spring Green works effectively in success states, approval indicators, sustainability branding—contexts where growth serves a secondary but reinforcing role.
For marketers and brand strategists, Medium Spring Green is a commitment to growth, nature, health, and balance. Match it with industries that make that promise and it will pay dividends consistently.
Accessibility & Design Guides
Frequently Asked Questions
- What is the hex code for Medium Spring Green? ▾
- The hex code for Medium Spring Green is #00FA9A. Its RGB values are rgb(0, 250, 154) and its HSL values are hsl(157, 100%, 49%).
- What does Medium Spring 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. 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 Medium Spring Green WCAG accessible? ▾
- Medium Spring Green (#00FA9A) does not pass WCAG AA on white (1.39:1 ratio). Use it on dark backgrounds where it achieves 15.14:1. Its overall accessibility score is 48/100.
- What colors go well with Medium Spring Green? ▾
- Medium Spring Green pairs well with its complementary color Queen Pink (#E8CCD7). Analogous colors like Hunter Green and Feldgrau also work harmoniously. Check the Color Harmonies section above for the full palette.
- What is Medium Spring Green used for? ▾
- Medium Spring 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 Medium Spring Green? ▾
- In CSS, use `color: #00FA9A` or `background-color: #00FA9A`. The CSS custom property is `--color-medium-spring-green: #00FA9A`. In Tailwind CSS, use the arbitrary value class `bg-[#00FA9A]` for backgrounds or `text-[#00FA9A]` for text.