← Back to Editor

#333333 · #EA3E3B · #9FC4C2 · #F5F5ED · #666666

cool

A 5-color cool 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

#333333

Dark Cyan · DarkSlateGray · Dark Stone

HEX
#333333
RGB
rgb(51, 51, 51)
HSL
hsl(0, 0%, 20%)
HSB
hsb(0, 0%, 20%)
CMYK
cmyk(0%, 0%, 0%, 80%)
Oklch
oklch(32.1% 0.000 89.9)

Traditional「Dark Cyan」· Paint「Dark Stone」· Creative Midnight Shadow

#EA3E3B

Vermilion · Tomato · Passion Red

HEX
#EA3E3B
RGB
rgb(234, 62, 59)
HSL
hsl(1, 81%, 57%)
HSB
hsb(1, 75%, 92%)
CMYK
cmyk(0%, 74%, 75%, 8%)
Oklch
oklch(62.2% 0.209 26.5)

Traditional「Vermilion」· Paint「Passion Red」· Creative Blush Sunrise

#9FC4C2

Jade · LightSteelBlue · Lake Green

HEX
#9FC4C2
RGB
rgb(159, 196, 194)
HSL
hsl(177, 24%, 70%)
HSB
hsb(177, 19%, 77%)
CMYK
cmyk(19%, 0%, 1%, 23%)
Oklch
oklch(79.3% 0.040 192.3)

Traditional「Jade」· Paint「Lake Green」· Creative Arctic Pool

#F5F5ED

Fresh Green · Linen · Lemon Cream

HEX
#F5F5ED
RGB
rgb(245, 245, 237)
HSL
hsl(60, 29%, 95%)
HSB
hsb(60, 3%, 96%)
CMYK
cmyk(0%, 0%, 3%, 4%)
Oklch
oklch(96.8% 0.011 106.6)

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

#666666

Ink Gray · DimGray · Charcoal

HEX
#666666
RGB
rgb(102, 102, 102)
HSL
hsl(0, 0%, 40%)
HSB
hsb(0, 0%, 40%)
CMYK
cmyk(0%, 0%, 0%, 60%)
Oklch
oklch(51.0% 0.000 89.9)

Traditional「Ink Gray」· Paint「Charcoal」· Creative Midnight Shadow

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

333333
333333

Analogous

333333
333333
333333

Triadic

333333
333333
333333

Split-Comp.

333333
333333
333333

Tetradic

333333
333333
333333
333333

Contrast Matrix WCAG 2.1 Contrast

333333
EA3E3B
9FC4C2
F5F5ED
666666
—
3.2
AA Large
6.7
AA
11.5
AAA
2.2
Fail
3.2
AA Large
—
2.1
Fail
3.7
AA Large
1.4
Fail
6.7
AA
2.1
Fail
—
1.7
Fail
3.0
AA Large
11.5
AAA
3.7
AA Large
1.7
Fail
—
5.2
AA
2.2
Fail
1.4
Fail
3.0
AA Large
5.2
AA
—
White BG
12.6AAA
4.0AA Large
1.9Fail
1.1Fail
5.7AA
Black BG
1.7Fail
5.3AA
11.1AAA
19.2AAA
3.7AA Large

Color Blindness Simulation Color Blindness Simulation

Protanopia

333333
A09E3C
AFAFC2
F5F5EF
666666

Deuteranopia

333333
AAB63C
ADAAC3
F5F5EF
666666

Tritanopia

333333
E13C3C
A1C3C3
F5F0F1
666666

Achromatopsia

333333
717171
B9B9B9
F4F4F4
666666

Shades & Tints Shades & Tints

#333333

Dark
Light

#EA3E3B

Dark
Light

#9FC4C2

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #333333;
  --color-2: #ea3e3b;
  --color-3: #9fc4c2;
  --color-4: #f5f5ed;
  --color-5: #666666;
}

SCSS

$color-1: #333333;
$color-2: #ea3e3b;
$color-3: #9fc4c2;
$color-4: #f5f5ed;
$color-5: #666666;

TAILWIND

colors: {
  'brand-1': '#333333',
  'brand-2': '#ea3e3b',
  'brand-3': '#9fc4c2',
  'brand-4': '#f5f5ed',
  'brand-5': '#666666',
}

RGB Array

[51, 51, 51], [234, 62, 59], [159, 196, 194], [245, 245, 237], [102, 102, 102]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #333333, #EA3E3B, #9FC4C2, #F5F5ED, #666666 is ideal for: brand design, premium product pages, magazine layouts, infographics, data visualization, accessible design. Low-saturation colors convey a sophisticated, premium feel. High contrast ensures clear visual hierarchy and readability. It is a classic and elegant choice among 5-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #333333; --color-2: #ea3e3b; --color-3: #9fc4c2; --color-4: #f5f5ed; --color-5: #666666. 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 cool-style 5-color scheme is especially suited for tech, SaaS, healthcare, eco industries. Restrained colors convey professionalism and trust. 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