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#FFFF00 · #CCD91A · #99B333 · #668C4D · #336666

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 Library

Color Details Color Details

#FFFF00

Autumn Sage · Yellow · Honey Gold

HEX
#FFFF00
RGB
rgb(255, 255, 0)
HSL
hsl(60, 100%, 50%)
HSB
hsb(60, 100%, 100%)
CMYK
cmyk(0%, 0%, 100%, 0%)
Oklch
oklch(96.8% 0.211 109.8)

TraditionalAutumn Sage」· PaintHoney Gold」· Creative Blush Sunrise

#CCD91A

Autumn Sage · GreenYellow · Honey Gold

HEX
#CCD91A
RGB
rgb(204, 217, 26)
HSL
hsl(64, 79%, 48%)
HSB
hsb(64, 88%, 85%)
CMYK
cmyk(6%, 0%, 88%, 15%)
Oklch
oklch(84.7% 0.186 114.1)

TraditionalAutumn Sage」· PaintHoney Gold」· Creative Blush Sunrise

#99B333

Grass Green · DarkGoldenRod · Olive Green

HEX
#99B333
RGB
rgb(153, 179, 51)
HSL
hsl(72, 56%, 45%)
HSB
hsb(72, 72%, 70%)
CMYK
cmyk(15%, 0%, 72%, 30%)
Oklch
oklch(72.3% 0.152 120.4)

TraditionalGrass Green」· PaintOlive Green」· Creative Blush Sunrise

#668C4D

Celadon · DimGray · Olive Green

HEX
#668C4D
RGB
rgb(102, 140, 77)
HSL
hsl(96, 29%, 43%)
HSB
hsb(96, 45%, 55%)
CMYK
cmyk(27%, 0%, 45%, 45%)
Oklch
oklch(59.6% 0.100 134.0)

TraditionalCeladon」· PaintOlive Green」· Creative Blush Sunrise

#336666

Slate Blue · DarkSlateGray · Mint Ice

HEX
#336666
RGB
rgb(51, 102, 102)
HSL
hsl(180, 33%, 30%)
HSB
hsb(180, 50%, 40%)
CMYK
cmyk(50%, 0%, 0%, 60%)
Oklch
oklch(47.5% 0.055 195.5)

TraditionalSlate Blue」· PaintMint Ice」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

FFFF00
0000FF

Analogous

FF8000
FFFF00
80FF00

Triadic

FFFF00
00FFFF
FF00FF

Split-Comp.

FFFF00
0080FF
8000FF

Tetradic

FFFF00
00FF80
0000FF
FF0080

Contrast Matrix WCAG 2.1 Contrast

FFFF00
CCD91A
99B333
668C4D
336666
1.4
Fail
2.2
Fail
3.6
AA Large
6.0
AA
1.4
Fail
1.5
Fail
2.5
Fail
4.2
AA Large
2.2
Fail
1.5
Fail
1.6
Fail
2.7
Fail
3.6
AA Large
2.5
Fail
1.6
Fail
1.7
Fail
6.0
AA
4.2
AA Large
2.7
Fail
1.7
Fail
White BG
1.1Fail
1.6Fail
2.4Fail
3.9AA Large
6.5AA
Black BG
19.6AAA
13.5AAA
8.9AAA
5.4AA
3.2AA Large

Color Blindness Simulation Color Blindness Simulation

Protanopia

FFFF3E
D2D248
A4A452
76775C
494A66

Deuteranopia

FFFF4D
D1D053
A3A159
747160
464266

Tritanopia

FF6E79
CD6D75
9A6A70
68686B
366666

Achromatopsia

E2E2E2
BFBFBF
9D9D9D
797979
575757

Shades & Tints Shades & Tints

#FFFF00

Dark
Light

#CCD91A

Dark
Light

#99B333

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #ffff00;
  --color-2: #ccd91a;
  --color-3: #99b333;
  --color-4: #668c4d;
  --color-5: #336666;
}

SCSS

$color-1: #ffff00;
$color-2: #ccd91a;
$color-3: #99b333;
$color-4: #668c4d;
$color-5: #336666;

TAILWIND

colors: {
  'brand-1': '#ffff00',
  'brand-2': '#ccd91a',
  'brand-3': '#99b333',
  'brand-4': '#668c4d',
  'brand-5': '#336666',
}

RGB Array

[255, 255, 0], [204, 217, 26], [153, 179, 51], [102, 140, 77], [51, 102, 102]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This cool-style palette of #FFFF00, #CCD91A, #99B333, #668C4D, #336666 is ideal for: corporate websites, product showcases, portfolios. 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: #ffff00; --color-2: #ccd91a; --color-3: #99b333; --color-4: #668c4d; --color-5: #336666. 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. 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