Is Opal (#A8C3BC) accessible for digital body text?

Against a pure white background (#FFFFFF), #A8C3BC achieves a contrast ratio of 1.88:1 (Failing WCAG AA normal text). Against a dark slate background (#0F172A), it achieves a contrast ratio of 9.52:1 (Passing WCAG AA normal text).

Which color harmonies pair best with Opal?

The exact complementary color for #A8C3BC is #C2A8AF. For analogous pairings, use #A8C2AE and #A8BCC2. You can explore these combinations further in our Color Harmony Generator.

Color Directory/Opal

Opal (#A8C3BC)

Q: What are the exact digital and print color codes for Opal (#A8C3BC)?

Opal has the HEX code #A8C3BC. In RGB color coordinates, its values are 168, 195, 188. In HSL, it is 164°, 18%, 71%. In CMYK print values, it corresponds to C:14% M:0% Y:4% K:24%.

Luminance: 51% · Nearest standard name: Opal

Generate Around This Color

OPAL

#A8C3BC

rgb(168, 195, 188) · hsl(164°, 18%, 71%)

HEX#A8C3BC

RGB168, 195, 188

HSL164°, 18%, 71%

HSV / HSB164°, 14%, 76%

CMYK (Print)14%, 0%, 4%, 24%

Color Harmonies

Complementary

#A8C3BC#C2A8AF

Analogous

#A8C2AE#A8C3BC#A8BCC2

Triadic

#A8C3BC#BBA8C2#C2BBA8

Tints & Shades

Lighter Tints

Darker Shades

WCAG 2.2 Contrast Verification

Against White (#FFFFFF)1.88:1

Sample text rendered with #A8C3BC on white

AA Normal: FAILAA Large: FAIL

Against Dark (#0F172A)9.52:1

Sample text rendered with #A8C3BC on dark

AA Normal: PASSAA Large: PASS

Palettes Featuring Similar Tones

cp-featured-01Technology

TechModernCool

cp-featured-02Sunset

SunsetGradientCreative

cp-featured-03Vintage

VintageRetroWarm

cp-featured-04Gaming

Cyber Glitch Protocol

GamingFuturisticNeon

Comprehensive Color Profile & Design Architecture

The Complete Color Guide to Opal (#A8C3BC)

Opal (#A8C3BC) is a distinct shade within the Emerald Green chromatic spectrum. Characterized by an optical luminance of 51% 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#A8C3BC

RGB Space168, 195, 188

HSL Values164°, 18%, 71%

HSV / HSB164°, 14%, 76%

CMYK Ink14%, 0%, 4%, 24%

TemperatureWarm-Cool Hybrid (Vegetal / Lime)

Optical Color Harmony Formulas for Opal

Geometric intervals calculated from #A8C3BC on the 360-degree color wheel.

Direct Polar (180°)#C2A8AF

Complementary Harmony

Pairs Opal with its polar opposite (#C2A8AF) to create maximum optical contrast, perfect for high-converting call-to-action buttons.

Adjacent (±30°)#A8C2AE · #A8BCC2

Analogous Harmony

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

Split Angles (150° / 210°)#C2A8BC · #C2AEA8

Split-Complementary

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

Triangular (120°)#BBA8C2 · #C2BBA8

Triadic Harmony

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

Rectangular (90°)#AEA8C2 · #C2A8AF · #BCC2A8

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 Opal

Lock #A8C3BC inside our interactive generator to calculate live matching palettes in real time.

Launch Palette Generator

The 60-30-10 UI Implementation Role for Opal

Recommended proportional volume and semantic interface assignment.

Recommended Assignment: Structural Surface & Border Tone (30% Volume)

Because of its muted, low-chroma saturation (18%), Opal (#A8C3BC) excels as a secondary surface color for container cards, table borders, navigation sidebars, and divider strokes.

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 Opal with intentional neutral whitespace reinforces authority and conversion clarity.

Production Code Tokens for Opal

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

CSS Custom Properties (:root)Vanilla CSS

:root {
  --color-a8c3bc: #A8C3BC;
  --color-a8c3bc-rgb: 168, 195, 188;
  --color-a8c3bc-hsl: 164deg 18% 71%;
}

tailwind.config.jsTailwind CSS

module.exports = {
  theme: {
    extend: {
      colors: {
        'a8c3bc': '#A8C3BC',
      }
    }
  }
};

Explore Related Color Tools for Opal

Continue developing your color system with specialized design tools.

Palette Generator

Generate harmonious 5-color palettes anchored to Opal.

Launch Tool

WCAG Contrast Checker

Verify Level AA and AAA readability for Opal against any background.

Check Contrast

Shades & Tints Scale

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

Expand Scale

CSS Gradient Generator

Create linear and radial gradients blending Opal with complementary hues.

Build Gradients

Frequently Asked Questions About Opal (#A8C3BC)

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

What are the exact digital and print color codes for Opal (#A8C3BC)?

Opal is defined by the HEX code #A8C3BC. Its digital screen RGB coordinates are R:168, G:195, B:188. Its cylindrical HSL values are Hue:164°, Saturation:18%, Lightness:71%. In HSV/HSB format, it is 164°, 14%, 76%. For four-color CMYK process printing, its ink percentages are C:14%, M:0%, Y:4%, K:24%.

Does Opal (#A8C3BC) pass WCAG 2.2 accessibility standards for text readability?

Against a pure white (#FFFFFF) background, Opal achieves a contrast ratio of 1.88:1 (Failing WCAG AA for normal body text, and Failing for large headings). Against dark slate (#0F172A), it achieves a contrast ratio of 9.52:1 (Passing WCAG AA).

What is the direct complementary color for Opal (#A8C3BC)?

The exact 180-degree optical complementary color for #A8C3BC is #C2A8AF. When placed side-by-side, #A8C3BC and #C2A8AF create maximum visual tension and high click-through conversion rates.

What is the recommended role for Opal in the 60-30-10 UI design rule?

Because of its muted, low-chroma saturation (18%), Opal (#A8C3BC) excels as a secondary surface color for container cards, table borders, navigation sidebars, and divider strokes.

How can I copy and export Opal into Tailwind CSS and CSS variables?

You can define Opal in CSS custom properties as ':root { --color-custom: #A8C3BC; }' or paste it into your 'tailwind.config.js' file under 'theme.extend.colors'. You can also generate full palettes containing Opal using our interactive Color Palette Generator.

Which color family does Opal (#A8C3BC) belong to?

Opal 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.