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#CCCCCC · #000000 · #0099CC · #99CC00

A 4-color palette palette · Complete color analysis and application guide

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileWarmCool

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#CCCCCC

Silver Gray · LightGray · Pearl Gray

HEX
#CCCCCC
RGB
rgb(204, 204, 204)
HSL
hsl(0, 0%, 80%)
HSB
hsb(0, 0%, 80%)
CMYK
cmyk(0%, 0%, 0%, 20%)
Oklch
oklch(84.5% 0.000 89.9)

Traditional「Silver Gray」· Paint「Pearl Gray」· Creative Silver Lining

#000000

Ink Black · Black · Jet Black

HEX
#000000
RGB
rgb(0, 0, 0)
HSL
hsl(0, 0%, 0%)
HSB
hsb(0, 0%, 0%)
CMYK
cmyk(0%, 0%, 0%, 100%)
Oklch
oklch(0.0% 0.000 0.0)

Traditional「Ink Black」· Paint「Jet Black」· Creative Midnight Shadow

#0099CC

Lake Blue · LightSeaGreen · Mint Ice

HEX
#0099CC
RGB
rgb(0, 153, 204)
HSL
hsl(195, 100%, 40%)
HSB
hsb(195, 100%, 80%)
CMYK
cmyk(100%, 25%, 0%, 20%)
Oklch
oklch(64.1% 0.129 231.1)

Traditional「Lake Blue」· Paint「Mint Ice」· Creative Blush Sunrise

#99CC00

Grass Green · Chartreuse · Forest Green

HEX
#99CC00
RGB
rgb(153, 204, 0)
HSL
hsl(75, 100%, 40%)
HSB
hsb(75, 100%, 80%)
CMYK
cmyk(25%, 0%, 100%, 20%)
Oklch
oklch(78.0% 0.198 125.7)

Traditional「Grass Green」· Paint「Forest Green」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

CCCCCC
CCCCCC

Analogous

CCCCCC
CCCCCC
CCCCCC

Triadic

CCCCCC
CCCCCC
CCCCCC

Split-Comp.

CCCCCC
CCCCCC
CCCCCC

Tetradic

CCCCCC
CCCCCC
CCCCCC
CCCCCC

Contrast Matrix WCAG 2.1 Contrast

CCCCCC
000000
0099CC
99CC00
—
13.1
AAA
2.0
Fail
1.2
Fail
13.1
AAA
—
6.4
AA
11.0
AAA
2.0
Fail
6.4
AA
—
1.7
Fail
1.2
Fail
11.0
AAA
1.7
Fail
—
White BG
1.6Fail
21.0AAA
3.3AA Large
1.9Fail
Black BG
13.1AAA
1.0Fail
6.4AA
11.0AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

CCCCCC
000000
4244C0
AFB031

Deuteranopia

CCCCCC
000000
392EBD
ACA83D

Tritanopia

CCCCCC
000000
08B6B4
9C5861

Achromatopsia

CCCCCC
000000
717171
A5A5A5

Shades & Tints Shades & Tints

#CCCCCC

Dark
Light

#000000

Dark
Light

#0099CC

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #cccccc;
  --color-2: #000000;
  --color-3: #0099cc;
  --color-4: #99cc00;
}

SCSS

$color-1: #cccccc;
$color-2: #000000;
$color-3: #0099cc;
$color-4: #99cc00;

TAILWIND

colors: {
  'brand-1': '#cccccc',
  'brand-2': '#000000',
  'brand-3': '#0099cc',
  'brand-4': '#99cc00',
}

RGB Array

[204, 204, 204], [0, 0, 0], [0, 153, 204], [153, 204, 0]

FAQ FAQ

What scenarios is this 4-color palette suitable for?

This general-style palette of #CCCCCC, #000000, #0099CC, #99CC00 is ideal for: infographics, data visualization, accessible design. High contrast ensures clear visual hierarchy and readability. It is a balanced and harmonious choice among 4-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #cccccc; --color-2: #000000; --color-3: #0099cc; --color-4: #99cc00. LangColor editor supports one-click export to CSS, SCSS, Tailwind, JSON and more. Click the "Export" button to choose your format.

What UI/UX design tips apply to this palette?

Medium-brightness colors suit brand primary and accent colors. Use the darkest for text, lightest for backgrounds, and mid-tones for emphasis. High-contrast palettes naturally meet WCAG accessibility standards. Use the "Contrast Matrix" tool in LangColor editor to check WCAG accessibility levels for every color pair.

Which industries or brands suit this palette?

This general-style 4-color scheme is especially suited for tech, SaaS, healthcare, eco industries. Click "AI Analysis" in the editor for more detailed brand color suggestions.

🎨 Open this palette in Editor →

Generated by LangColor online color tool · Breaking the barrier between language and color