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Color Directory/Medium Aquamarine

Medium Aquamarine (#66CDAA)

Luminance: 49% · Nearest standard name: Medium Aquamarine

Generate Around This Color
MEDIUM AQUAMARINE
#66CDAA
rgb(102, 205, 170) · hsl(160°, 51%, 60%)
HEX#66CDAA
RGB102, 205, 170
HSL160°, 51%, 60%
HSV / HSB160°, 50%, 80%
CMYK (Print)50%, 0%, 17%, 20%

Color Harmonies

Complementary

#66CDAA#CD6588

Analogous

#65CD76#66CDAA#65BCCD

Triadic

#66CDAA#AA65CD#CDAA65

Tints & Shades

Lighter Tints
Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)1.93:1

Sample text rendered with #66CDAA on white

AA Normal: FAILAA Large: FAIL
Against Dark (#0F172A)9.25:1

Sample text rendered with #66CDAA on dark

AA Normal: PASSAA Large: PASS

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#E76F51Copy
#F4A261Copy
#E9C46ACopy
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cp-featured-03Vintage
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#050505Copy
#00FF66Copy
#00F0FFCopy
#FF0055Copy
#FFE600Copy
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Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Medium Aquamarine (#66CDAA)

Medium Aquamarine (#66CDAA) is a distinct shade within the Emerald Green chromatic spectrum. Characterized by an optical luminance of 49% and a warm-cool hybrid (vegetal / lime) color temperature, this tone plays a vital role across web applications, brand identities, and editorial typography. Discover its mathematical harmonies, accessibility metrics, UI engineering roles, and front-end code tokens.

Technical Colorimetry & Coordinate Breakdown

Exact mathematical values across digital display, print press, and human perceptual spaces.

HEX Code#66CDAA
RGB Space102, 205, 170
HSL Values160°, 51%, 60%
HSV / HSB160°, 50%, 80%
CMYK Ink50%, 0%, 17%, 20%
TemperatureWarm-Cool Hybrid (Vegetal / Lime)

Optical Color Harmony Formulas for Medium Aquamarine

Geometric intervals calculated from #66CDAA on the 360-degree color wheel.

Direct Polar (180°)#CD6588

Complementary Harmony

Pairs Medium Aquamarine with its polar opposite (#CD6588) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#65CD76 · #65BCCD

Analogous Harmony

Positions adjacent neighboring hues on either side of Medium Aquamarine for serene, gentle, and organic visual transitions.

Split Angles (150° / 210°)#CD65BC · #CD7665

Split-Complementary

Uses the two colors flanking the direct complement of Medium Aquamarine, offering rich visual variety without harsh chromatic vibration.

Triangular (120°)#AA65CD · #CDAA65

Triadic Harmony

Forms an equilateral triangle on the color wheel, generating playful, dynamic energy when balanced against a neutral background.

Rectangular (90°)#7665CD · #CD6588 · #BCCD65

Tetradic (Square) Harmony

A rich four-color scheme combining two complementary pairs, ideal for complex dashboards, gaming HUDs, and multi-tier charts.

Interactive Exploration

Build Palettes With Medium Aquamarine

Lock #66CDAA inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Medium Aquamarine

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Interactive Brand Accent (10% Volume)

With a saturation of 51% and lightness of 60%, Medium Aquamarine (#66CDAA) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.

Light Mode SurfaceIdeal for buttons and badges
Dark Mode AdaptationDesaturate slightly for ambient glow
Tonal Expansion ScaleView 10-step design token ramp →

Color Psychology & Industry Alignment

Strategic cognitive triggers and target sector recommendations.

Cognitive & Emotional Perception

Communicates organic vitality, restorative health, prosperity, and ecological balance. Evokes natural renewal and positive validation.

Optimal Industry Verticals

Sustainable Commerce, Clean Energy, Health & Wellness, Wealth Management. Combining Medium Aquamarine with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Medium Aquamarine

Drop-in design system tokens for CSS, Tailwind CSS, and SCSS.

CSS Custom Properties (:root)Vanilla CSS
:root {
  --color-66cdaa: #66CDAA;
  --color-66cdaa-rgb: 102, 205, 170;
  --color-66cdaa-hsl: 160deg 51% 60%;
}
tailwind.config.jsTailwind CSS
module.exports = {
  theme: {
    extend: {
      colors: {
        '66cdaa': '#66CDAA',
      }
    }
  }
};

Explore Related Color Tools for Medium Aquamarine

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Medium Aquamarine.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Medium Aquamarine against any background.

Check Contrast

Shades & Tints Scale

Generate a full 10-step tonal scale from 50 to 900 for Medium Aquamarine.

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Medium Aquamarine with complementary hues.

Build Gradients

Frequently Asked Questions About Medium Aquamarine (#66CDAA)

Authoritative answers covering Medium Aquamarine color codes, WCAG contrast compliance, and UI design systems.

What are the exact digital and print color codes for Medium Aquamarine (#66CDAA)?
Medium Aquamarine is defined by the HEX code #66CDAA. Its digital screen RGB coordinates are R:102, G:205, B:170. Its cylindrical HSL values are Hue:160°, Saturation:51%, Lightness:60%. In HSV/HSB format, it is 160°, 50%, 80%. For four-color CMYK process printing, its ink percentages are C:50%, M:0%, Y:17%, K:20%.
Does Medium Aquamarine (#66CDAA) pass WCAG 2.2 accessibility standards for text readability?
Against a pure white (#FFFFFF) background, Medium Aquamarine achieves a contrast ratio of 1.93:1 (Failing WCAG AA for normal body text, and Failing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 9.25:1 (Passing WCAG AA).
What is the direct complementary color for Medium Aquamarine (#66CDAA)?
The exact 180-degree optical complementary color for #66CDAA is #CD6588. When placed side-by-side, #66CDAA and #CD6588 create maximum visual tension and high click-through conversion rates.
What is the recommended role for Medium Aquamarine in the 60-30-10 UI design rule?
With a saturation of 51% and lightness of 60%, Medium Aquamarine (#66CDAA) acts as an attention-grabbing focal point. In user interfaces, reserve it for primary CTA buttons, active state indicators, and notification badges to draw user clicks immediately.
How can I copy and export Medium Aquamarine into Tailwind CSS and CSS variables?
You can define Medium Aquamarine in CSS custom properties as ':root { --color-custom: #66CDAA; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Medium Aquamarine using our interactive Color Palette Generator.
Which color family does Medium Aquamarine (#66CDAA) belong to?
Medium Aquamarine belongs to the Emerald Green family (Warm-Cool Hybrid (Vegetal / Lime) spectrum). You can explore full tonal ramps and curated palettes in our Emerald Green Color Guide.