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#213E5E · #DEEF17 · #F3F711 · #F7F7F4 · #FCFCF9

cool

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileCool

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#213E5E

Indigo · DarkSlateGray · Prussian Blue

HEX
#213E5E
RGB
rgb(33, 62, 94)
HSL
hsl(211, 48%, 25%)
HSB
hsb(211, 65%, 37%)
CMYK
cmyk(65%, 34%, 0%, 63%)
Oklch
oklch(35.7% 0.066 252.2)

Traditional「Indigo」· Paint「Prussian Blue」· Creative Blush Sunrise

#DEEF17

Autumn Sage · Yellow · Sunflower

HEX
#DEEF17
RGB
rgb(222, 239, 23)
HSL
hsl(65, 87%, 51%)
HSB
hsb(65, 90%, 94%)
CMYK
cmyk(7%, 0%, 90%, 6%)
Oklch
oklch(90.9% 0.202 114.9)

Traditional「Autumn Sage」· Paint「Sunflower」· Creative Blush Sunrise

#F3F711

Autumn Sage · Yellow · Sunflower

HEX
#F3F711
RGB
rgb(243, 247, 17)
HSL
hsl(61, 93%, 52%)
HSB
hsb(61, 93%, 97%)
CMYK
cmyk(2%, 0%, 93%, 3%)
Oklch
oklch(94.2% 0.205 111.0)

Traditional「Autumn Sage」· Paint「Sunflower」· Creative Blush Sunrise

#F7F7F4

Fresh Green · SeaShell · Lemon Cream

HEX
#F7F7F4
RGB
rgb(247, 247, 244)
HSL
hsl(60, 16%, 96%)
HSB
hsb(60, 1%, 97%)
CMYK
cmyk(0%, 0%, 1%, 3%)
Oklch
oklch(97.5% 0.004 106.5)

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

#FCFCF9

Fresh Green · Snow · Lemon Cream

HEX
#FCFCF9
RGB
rgb(252, 252, 249)
HSL
hsl(60, 33%, 98%)
HSB
hsb(60, 1%, 99%)
CMYK
cmyk(0%, 0%, 1%, 1%)
Oklch
oklch(99.0% 0.004 106.5)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

213E5E
5E4121

Analogous

215D5E
213E5E
22215E

Triadic

213E5E
5E213F
3F5E21

Split-Comp.

213E5E
5E2221
5D5E21

Tetradic

213E5E
5E215D
5E4121
215E22

Contrast Matrix WCAG 2.1 Contrast

213E5E
DEEF17
F3F711
F7F7F4
FCFCF9
—
8.6
AAA
9.5
AAA
10.2
AAA
10.7
AAA
8.6
AAA
—
1.1
Fail
1.2
Fail
1.2
Fail
9.5
AAA
1.1
Fail
—
1.1
Fail
1.1
Fail
10.2
AAA
1.2
Fail
1.1
Fail
—
1.0
Fail
10.7
AAA
1.2
Fail
1.1
Fail
1.0
Fail
—
White BG
11.0AAA
1.3Fail
1.2Fail
1.1Fail
1.0Fail
Black BG
1.9Fail
16.5AAA
18.1AAA
19.6AAA
20.4AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

2E2E56
E5E64B
F5F549
F7F7F5
FCFCFA

Deuteranopia

2C2A54
E4E358
F5F456
F7F7F5
FCFCFA

Tritanopia

22504F
DF757E
F3757E
F7F5F5
FCFAFA

Achromatopsia

393939
D1D1D1
DCDCDC
F7F7F7
FCFCFC

Shades & Tints Shades & Tints

#213E5E

Dark
Light

#DEEF17

Dark
Light

#F3F711

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #213e5e;
  --color-2: #deef17;
  --color-3: #f3f711;
  --color-4: #f7f7f4;
  --color-5: #fcfcf9;
}

SCSS

$color-1: #213e5e;
$color-2: #deef17;
$color-3: #f3f711;
$color-4: #f7f7f4;
$color-5: #fcfcf9;

TAILWIND

colors: {
  'brand-1': '#213e5e',
  'brand-2': '#deef17',
  'brand-3': '#f3f711',
  'brand-4': '#f7f7f4',
  'brand-5': '#fcfcf9',
}

RGB Array

[33, 62, 94], [222, 239, 23], [243, 247, 17], [247, 247, 244], [252, 252, 249]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #213E5E, #DEEF17, #F3F711, #F7F7F4, #FCFCF9 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: #213e5e; --color-2: #deef17; --color-3: #f3f711; --color-4: #f7f7f4; --color-5: #fcfcf9. 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. 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