Tints & Shades
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Scale from white (50) through Bright Cyan (500) to black (900), interpolated in Lab color space.
Color Values
- HEX
- #00EDFF
- RGB
- rgb(0, 237, 255)
- HSL
- hsl(184, 100%, 50%)
- OKLCH
- oklch(0.863 0.147 205)
- CMYK
- cmyk(100%, 7%, 0%, 0%)
--color-bright-cyanbg-[#00EDFF]Accessibility
Score: 48/100On White (#FFF)
1.44:1
On Black (#000)
14.56:1
On Light Gray (#F5F5F5)
1.32:1
Best text color on this background:
Design Applications
background-color: #00EDFF
color: #00EDFF
bg-[#00EDFF] text-[#000000]
border-left: 4px solid #00EDFF
Color Harmonies
Complementary
Barn Red
#7C0A02
Split-Complementary
Similar Colors
Color Meaning & Psychology
Cyan sits between blue and green at the edge of visible light and is the color the eye uses to adjust from warm to cool light. It feels technological, clean, and forward-thinking. In printing, cyan is a primary process color (CMYK), giving it an association with professional reproduction and precision. In design, bright cyan signals digital interfaces, clean tech, and innovation. Lighter cyans feel fresh and airy; deeper cyans approach teal's sophistication. Cyan's primary cultural associations are ocean, ice, and digital displays. It is widely used in healthcare technology brands because it combines blue's trust with green's health connotations without the blandness of either on their own. 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 Bright Cyan is applied in professional design.
- Digital technology and software products
- Water sports and aquatic brands
- Clean energy and sustainability companies
- Healthcare data visualization tools
- Modern media and streaming services
- Virtual reality and immersive tech brands
- Aerospace and precision technology
- Clinical data and diagnostic imaging products
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
Bright Cyan is a light color. Use black (#000000) text on top of it for maximum readability (14.56:1). Avoid white text on this background.
CSS & Code Examples
Background
background-color: #00EDFF;Text
color: #00EDFF;Border
border: 2px solid #00EDFF;Box Shadow
box-shadow: 0 4px 20px #00EDFF40;Gradient
background: linear-gradient(135deg, #00EDFF, #6fffff);Tailwind-style
--color-bright-cyan: #00EDFF;Tailwind CSS Utilities
Use arbitrary value syntax in Tailwind CSS to apply Bright Cyan without a custom config.
Background
bg-[#00EDFF]Text
text-[#00EDFF]Border
border-[#00EDFF]Ring
ring-[#00EDFF]Fill
fill-[#00EDFF]From (gradient)
from-[#00EDFF]Via (gradient)
via-[#00EDFF]To (gradient)
to-[#00EDFF]Design Tokens
Ready-to-use Bright Cyan design token in CSS custom properties, SCSS, Tailwind v3/v4, and JSON formats.
CSS Custom Properties
:root {
--color-bright-cyan: #00EDFF;
--color-bright-cyan-rgb: 0, 237, 255;
--color-bright-cyan-hsl: 184, 100%, 50%;
}SCSS Variables
$color-bright-cyan: #00EDFF; $color-bright-cyan-rgb: 0, 237, 255; $color-bright-cyan-hsl: 184, 100%, 50%;
Tailwind v3 Config
// tailwind.config.js
module.exports = {
theme: {
extend: {
colors: {
'bright-cyan': '#00EDFF',
},
},
},
};Tailwind v4 (@theme)
/* tailwind.css */
@theme {
--color-bright-cyan: #00EDFF;
}JSON Design Token (W3C format)
{
"bright-cyan": {
"value": "#00EDFF",
"type": "color",
"description": "Bright Cyan — #00EDFF"
}
}More cyan colors
View all →What Does Bright Cyan Mean? Color Psychology & Cultural Symbolism
The psychology of Bright Cyan runs through two channels simultaneously: the freshness of blue water (sky, ocean, clean environments) and the precision of technology (RGB screens, laser light, digital information). Together they resolve as clarity—a quality of informed clarity.
- Across color psychology research, cyan consistently tests high for "precision" associations, making Bright Cyan a reliable vehicle for clarity in cross-demographic audiences.
- Brand designers draw on cyan-family tones to project modernity and innovation—values that Bright Cyan communicates in a medium key.
- At 100% saturation, Bright Cyan reads as vivid—Pure vivid cyan is the color of screens, lasers, and science fiction—among the most technologically coded colors in human design vocabulary.
- Bright Cyan's medium lightness (50%) shifts its psychological register: a balanced mid-tone that embodies clarity, technology, freshness, and precision at its most direct.
Bright Cyan is where technology and clarity meet—use it where you need users to feel precisely oriented and forward-looking.
How to Use Bright Cyan in Design: Applications, Pairings & Best Practices
Bright Cyan is a natural fit for any design system that wants to signal technology without falling back on blue. It adds a freshness and precision that differentiates tech-forward brands from their more conventional competitors.
- Avoid: traditional or heritage brands, warm and artisanal contexts, and food packaging (no natural cyan foods).
- Color harmonies: Bright Cyan's complementary color creates a high-energy split ideal for promotional design; its analogous palette (±30° hue) builds cohesive, monochromatic sophistication.
- Proportional use: Bright Cyan's vivid saturation (100%) means small applications—accents, highlights, icons—deliver maximum impact without visual fatigue. Reserve large-scale use for intentional brand moments.
- Bright Cyan creates strong legibility with black text overlays (14.6:1 contrast ratio), making it a reliable background or surface color in design systems
- Typography: Bright Cyan as text requires a dark background; its 50% lightness means it provides 1.4:1 contrast on white, not meeting WCAG AA.
Bright Cyan is where technology and clarity meet—use it where you need users to feel precisely oriented and forward-looking.
Bright Cyan Accessibility: WCAG Contrast Ratios, Color Blindness & Inclusive Design
Bright Cyan (#00EDFF) achieves a 14.56:1 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: 67.8%.
- As text on white (#FFFFFF): 1.44:1 — Fail
- As text on black (#000000): 14.56:1 — AAA ✓
- Best text color on Bright Cyan background: Black (#000000) at 14.56:1
- WCAG 2.1 luminance: 67.8% — above-median luminance—it reads as a light to mid-tone background, compatible with dark text while retaining color personality
- Bright Cyan qualifies for all text sizes including small body copy (AAA).
- Color blindness consideration: tritanopia (blue-yellow color blindness, ~0.003% of population) may affect how this color reads. While rare, for maximum accessibility supplement color signals with text or icon indicators in critical states.
Always verify Bright Cyan 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.
Bright Cyan in Industry: Branding, Design & Market Applications
Bright Cyan's brand positioning falls squarely in the territory of clarity, technology, freshness, and precision. Industry data supports its strongest performance in technology, healthcare, water & marine categories, where the vivid saturation calibrates the message at a medium, considered level.
- Technology & Software: Cyan's additive light origins make it inherently digital—it's literally the color of screens. Tech brands use it to signal cutting-edge, screen-native products and the precision of digital systems. (examples: Apple, Microsoft, Salesforce) Works especially well in dark-mode interfaces where cyan provides high contrast and futuristic character.
- Healthcare & Medical Imaging: Medical imaging technology (X-rays, ultrasounds, 3D scans) frequently uses cyan highlighting for precision and clarity. Healthcare tech brands have adopted this association to signal clinical precision in digital health products. (examples: Headspace, One Medical, Kaiser Permanente) Pairs naturally with white and dark gray for a medical-precision aesthetic.
- Clean Energy & Environment: Clean energy brands use cyan to signal the intersection of technology and environmental consciousness—the "clean" tech positioning that neither pure green (environmental emphasis) nor pure blue (tech emphasis) fully achieves alone. Cyan-to-green gradients have become a shorthand for clean tech and sustainable innovation.
- Brand positioning: Bright Cyan is best suited for brands projecting modernity, innovation, clarity. Categories outside this positioning—traditional or heritage brands—tend to see weaker results.
- Adjacent applications: Beyond primary industries, Bright Cyan works effectively in social platform accents, clean energy brands, cyberpunk and sci-fi aesthetics—contexts where precision serves a secondary but reinforcing role.
For marketers and brand strategists, Bright Cyan is a commitment to clarity, technology, freshness, and precision. 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 Bright Cyan? ▾
- The hex code for Bright Cyan is #00EDFF. Its RGB values are rgb(0, 237, 255) and its HSL values are hsl(184, 100%, 50%).
- What does Bright Cyan mean in design? ▾
- Cyan sits between blue and green at the edge of visible light and is the color the eye uses to adjust from warm to cool light. It feels technological, clean, and forward-thinking. In printing, cyan is a primary process color (CMYK), giving it an association with professional reproduction and precision. In design, bright cyan signals digital interfaces, clean tech, and innovation. Lighter cyans feel fresh and airy; deeper cyans approach teal's sophistication. Cyan's primary cultural associations are ocean, ice, and digital displays. It is widely used in healthcare technology brands because it combines blue's trust with green's health connotations without the blandness of either on their own. 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 Bright Cyan WCAG accessible? ▾
- Bright Cyan (#00EDFF) does not pass WCAG AA on white (1.44:1 ratio). Use it on dark backgrounds where it achieves 14.56:1. Its overall accessibility score is 48/100.
- What colors go well with Bright Cyan? ▾
- Bright Cyan pairs well with its complementary color Barn Red (#7C0A02). Analogous colors like Cadmium Green and Ocean Green also work harmoniously. Check the Color Harmonies section above for the full palette.
- What is Bright Cyan used for? ▾
- Bright Cyan is commonly used for: Digital technology and software products; Water sports and aquatic brands; Clean energy and sustainability companies; Healthcare data visualization tools; Modern media and streaming services.
- What are the CSS and Tailwind values for Bright Cyan? ▾
- In CSS, use `color: #00EDFF` or `background-color: #00EDFF`. The CSS custom property is `--color-bright-cyan: #00EDFF`. In Tailwind CSS, use the arbitrary value class `bg-[#00EDFF]` for backgrounds or `text-[#00EDFF]` for text.