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Celadon

#ACE1AF·green family·WCAG AAA

Tints & Shades

50

100

200

300

400

500

600

700

800

900

Scale from white (50) through Celadon (500) to black (900), interpolated in Lab color space.

Color Values

HEX
#ACE1AF
RGB
rgb(172, 225, 175)
HSL
hsl(123, 47%, 78%)
OKLCH
oklch(0.86 0.088 146)
CMYK
cmyk(24%, 0%, 22%, 12%)
Luminance:0.6572
CSS var:--color-celadon
Tailwind:bg-[#ACE1AF]

Accessibility

Score: 48/100

On White (#FFF)

1.48:1

Fail

On Black (#000)

14.14:1

AAA

On Light Gray (#F5F5F5)

1.36:1

Fail

Best text color on this background:

black14.14:1
Open in Contrast Checker →

Design Applications

Background

background-color: #ACE1AF

Text Color

color: #ACE1AF

bg-[#ACE1AF] text-[#000000]

Accent border card component

border-left: 4px solid #ACE1AF

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 lighter value makes it approachable and soft — suitable for backgrounds, secondary UI states, and contexts requiring the hue's character without full intensity.

Industry Usage

Common contexts and industries where Celadon 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

Celadon is a light color. Use black (#000000) text on top of it for maximum readability (14.14:1). Avoid white text on this background.

CSS & Code Examples

Background

background-color: #ACE1AF;

Text

color: #ACE1AF;

Border

border: 2px solid #ACE1AF;

Box Shadow

box-shadow: 0 4px 20px #ACE1AF40;

Gradient

background: linear-gradient(135deg, #ACE1AF, #deffe1);

Tailwind-style

--color-celadon: #ACE1AF;

Tailwind CSS Utilities

Use arbitrary value syntax in Tailwind CSS to apply Celadon without a custom config.

Background

bg-[#ACE1AF]

Text

text-[#ACE1AF]

Border

border-[#ACE1AF]

Ring

ring-[#ACE1AF]

Fill

fill-[#ACE1AF]

From (gradient)

from-[#ACE1AF]

Via (gradient)

via-[#ACE1AF]

To (gradient)

to-[#ACE1AF]

Design Tokens

Ready-to-use Celadon design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.

CSS Custom Properties

:root {
  --color-celadon: #ACE1AF;
  --color-celadon-rgb: 172, 225, 175;
  --color-celadon-hsl: 123, 47%, 78%;
}

SCSS Variables

$color-celadon: #ACE1AF;
$color-celadon-rgb: 172, 225, 175;
$color-celadon-hsl: 123, 47%, 78%;

Tailwind v3 Config

// tailwind.config.js
module.exports = {
  theme: {
    extend: {
      colors: {
        'celadon': '#ACE1AF',
      },
    },
  },
};

Tailwind v4 (@theme)

/* tailwind.css */
@theme {
  --color-celadon: #ACE1AF;
}

JSON Design Token (W3C format)

{
  "celadon": {
    "value": "#ACE1AF",
    "type": "color",
    "description": "Celadon — #ACE1AF"
  }
}

What Does Celadon Mean? Color Psychology & Cultural Symbolism

Celadon speaks the language of living systems. Green-family hues are processed by the human visual system as signals of vegetation, safe environments, and biological abundance—an evolutionary association that surfaces as harmony in contemporary design contexts.

  • Across color psychology research, green consistently tests high for "health" associations, making Celadon a reliable vehicle for harmony in cross-demographic audiences.
  • Brand designers draw on green-family tones to project trustworthiness and reliability—values that Celadon communicates in a light key.
  • At 47% saturation, Celadon reads as subdued—neither overwhelming nor passive, landing in the growth, nature, health, and balance zone with measured confidence.
  • Celadon's light lightness (78%) shifts its psychological register: Mint and sage tones feel fresh, airy, and calming—popular in wellness, beauty, and minimalist design for their ability to add life without dominance.

Celadon is permission in color form—it makes things feel right, approved, and moving forward.

How to Use Celadon in Design: Applications, Pairings & Best Practices

Celadon brings life to design systems that risk feeling cold or clinical. Its light character makes it versatile as both a primary brand color and a functional state color—success, approval, and positive actions feel natural expressed in green.

  • Avoid: warning or danger contexts (except for safety signs), over-saturated versions in premium luxury branding, and contexts requiring urgency.
  • Color harmonies: Celadon's complementary color creates a high-energy split ideal for promotional design; its analogous palette (±30° hue) builds cohesive, monochromatic sophistication.
  • Proportional use: Celadon's subdued quality means it scales well across proportions—from full-bleed backgrounds to single-pixel borders—making it an unusually versatile palette component.
  • Celadon creates strong legibility with black text overlays (14.1:1 contrast ratio), making it a reliable background or surface color in design systems
  • Typography: Celadon as text requires a dark background; its 78% lightness means it provides 1.5:1 contrast on white, not meeting WCAG AA.

Celadon is permission in color form—it makes things feel right, approved, and moving forward.

Celadon Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design

Celadon (#ACE1AF) achieves a 14.14:1 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: 65.7%.

  • As text on white (#FFFFFF): 1.48:1 — Fail
  • As text on black (#000000): 14.14:1 — AAA ✓
  • Best text color on Celadon background: Black (#000000) at 14.14:1
  • WCAG 2.1 luminance: 65.7% — above-median luminance—it reads as a light to mid-tone background, compatible with dark text while retaining color personality
  • Celadon qualifies for all text sizes including small body copy (AAA).

Always verify Celadon at its final intended size and weight using a real contrast checker—font weight and rendering environment affect perceived legibility beyond what raw ratios capture.

Celadon in Industry: Branding, Design & Market Applications

Celadon'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 subdued saturation calibrates the message at a light, 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: 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: Celadon 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, Celadon works effectively in success states, approval indicators, sustainability branding—contexts where balance serves a secondary but reinforcing role.

For marketers and brand strategists, Celadon is a commitment to growth, nature, health, and balance. Match it with industries that make that promise and it will pay dividends consistently.

Frequently Asked Questions

What is the hex code for Celadon?
The hex code for Celadon is #ACE1AF. Its RGB values are rgb(172, 225, 175) and its HSL values are hsl(123, 47%, 78%).
What does Celadon 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 lighter value makes it approachable and soft — suitable for backgrounds, secondary UI states, and contexts requiring the hue's character without full intensity.
Is Celadon WCAG accessible?
Celadon (#ACE1AF) does not pass WCAG AA on white (1.48:1 ratio). Use it on dark backgrounds where it achieves 14.14:1. Its overall accessibility score is 48/100.
What colors go well with Celadon?
Celadon pairs well with its complementary color Rose Quartz (#AA98A9). Analogous colors like Asparagus and Mantis also work harmoniously. Check the Color Harmonies section above for the full palette.
What is Celadon used for?
Celadon 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 Celadon?
In CSS, use `color: #ACE1AF` or `background-color: #ACE1AF`. The CSS custom property is `--color-celadon: #ACE1AF`. In Tailwind CSS, use the arbitrary value class `bg-[#ACE1AF]` for backgrounds or `text-[#ACE1AF]` for text.