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#000000 · #339933 · #66CC66 · #FFFF66 · #FFFFFF

A 5-color palette palette · Complete color analysis and application guide

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileWarm

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#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

#339933

Celadon · ForestGreen · Forest Green

HEX
#339933
RGB
rgb(51, 153, 51)
HSL
hsl(120, 50%, 40%)
HSB
hsb(120, 67%, 60%)
CMYK
cmyk(67%, 0%, 67%, 40%)
Oklch
oklch(60.3% 0.168 143.1)

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

#66CC66

Celadon · MediumSeaGreen · Olive Green

HEX
#66CC66
RGB
rgb(102, 204, 102)
HSL
hsl(120, 50%, 60%)
HSB
hsb(120, 50%, 80%)
CMYK
cmyk(50%, 0%, 50%, 20%)
Oklch
oklch(76.0% 0.170 143.7)

Traditional「Celadon」· Paint「Olive Green」· Creative Blush Sunrise

#FFFF66

Fresh Green · Khaki · Sunflower

HEX
#FFFF66
RGB
rgb(255, 255, 102)
HSL
hsl(60, 100%, 70%)
HSB
hsb(60, 60%, 100%)
CMYK
cmyk(0%, 0%, 60%, 0%)
Oklch
oklch(97.2% 0.171 109.2)

Traditional「Fresh Green」· Paint「Sunflower」· Creative Lemon Fizz

#FFFFFF

Moonlight White · White · Cloud White

HEX
#FFFFFF
RGB
rgb(255, 255, 255)
HSL
hsl(0, 0%, 100%)
HSB
hsb(0, 0%, 100%)
CMYK
cmyk(0%, 0%, 0%, 0%)
Oklch
oklch(100.0% 0.000 89.9)

Traditional「Moonlight White」· Paint「Cloud White」· Creative Morning Mist

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

000000
000000

Analogous

000000
000000
000000

Triadic

000000
000000
000000

Split-Comp.

000000
000000
000000

Tetradic

000000
000000
000000
000000

Contrast Matrix WCAG 2.1 Contrast

000000
339933
66CC66
FFFF66
FFFFFF
—
5.7
AA
10.4
AAA
19.7
AAA
21.0
AAA
5.7
AA
—
1.8
Fail
3.4
AA Large
3.7
AA Large
10.4
AAA
1.8
Fail
—
1.9
Fail
2.0
Fail
19.7
AAA
3.4
AA Large
1.9
Fail
—
1.1
Fail
21.0
AAA
3.7
AA Large
2.0
Fail
1.1
Fail
—
White BG
21.0AAA
3.7AA Large
2.0Fail
1.1Fail
1.0Fail
Black BG
1.0Fail
5.7AA
10.4AAA
19.7AAA
21.0AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

000000
5F604C
92937F
FFFF8B
FFFFFF

Deuteranopia

000000
595252
8C8585
FFFF94
FFFFFF

Tritanopia

000000
385F63
6B9296
FFA8AF
FFFFFF

Achromatopsia

000000
6F6F6F
A2A2A2
EEEEEE
FFFFFF

Shades & Tints Shades & Tints

#000000

Dark
Light

#339933

Dark
Light

#66CC66

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #000000;
  --color-2: #339933;
  --color-3: #66cc66;
  --color-4: #ffff66;
  --color-5: #ffffff;
}

SCSS

$color-1: #000000;
$color-2: #339933;
$color-3: #66cc66;
$color-4: #ffff66;
$color-5: #ffffff;

TAILWIND

colors: {
  'brand-1': '#000000',
  'brand-2': '#339933',
  'brand-3': '#66cc66',
  'brand-4': '#ffff66',
  'brand-5': '#ffffff',
}

RGB Array

[0, 0, 0], [51, 153, 51], [102, 204, 102], [255, 255, 102], [255, 255, 255]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #000000, #339933, #66CC66, #FFFF66, #FFFFFF is ideal for: infographics, data visualization, accessible design. High contrast ensures clear visual hierarchy and readability. It is a balanced and harmonious choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #000000; --color-2: #339933; --color-3: #66cc66; --color-4: #ffff66; --color-5: #ffffff. 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 5-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