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#FFFF00 · #D9F233 · #B3E666 · #8CD999 · #66CCCC

summer

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

PassionateDynamicCool

Industry INDUSTRY

EntertainmentFMCG

UI Context UI CONTEXT

Sale PromoSocial App

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)

Traditional「Autumn Sage」· Paint「Honey Gold」· Creative Blush Sunrise

#D9F233

Autumn Sage · GreenYellow · Sunflower

HEX
#D9F233
RGB
rgb(217, 242, 51)
HSL
hsl(68, 88%, 57%)
HSB
hsb(68, 79%, 95%)
CMYK
cmyk(10%, 0%, 79%, 5%)
Oklch
oklch(91.2% 0.198 117.3)

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

#B3E666

Willow Green · LightGreen · Apple Green

HEX
#B3E666
RGB
rgb(179, 230, 102)
HSL
hsl(84, 72%, 65%)
HSB
hsb(84, 56%, 90%)
CMYK
cmyk(22%, 0%, 56%, 10%)
Oklch
oklch(86.3% 0.166 127.7)

Traditional「Willow Green」· Paint「Apple Green」· Creative Mint Breeze

#8CD999

Celadon · LightGreen · Apple Green

HEX
#8CD999
RGB
rgb(140, 217, 153)
HSL
hsl(130, 50%, 70%)
HSB
hsb(130, 35%, 85%)
CMYK
cmyk(35%, 0%, 29%, 15%)
Oklch
oklch(81.9% 0.118 148.7)

Traditional「Celadon」· Paint「Apple Green」· Creative Mint Breeze

#66CCCC

Slate Blue · MediumTurquoise · Lake Green

HEX
#66CCCC
RGB
rgb(102, 204, 204)
HSL
hsl(180, 50%, 60%)
HSB
hsb(180, 50%, 80%)
CMYK
cmyk(50%, 0%, 0%, 20%)
Oklch
oklch(78.5% 0.095 195.4)

Traditional「Slate Blue」· Paint「Lake Green」· 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
D9F233
B3E666
8CD999
66CCCC
—
1.2
Fail
1.4
Fail
1.6
Fail
1.8
Fail
1.2
Fail
—
1.2
Fail
1.3
Fail
1.5
Fail
1.4
Fail
1.2
Fail
—
1.2
Fail
1.3
Fail
1.6
Fail
1.3
Fail
1.2
Fail
—
1.1
Fail
1.8
Fail
1.5
Fail
1.3
Fail
1.1
Fail
—
White BG
1.1Fail
1.3Fail
1.5Fail
1.7Fail
1.9Fail
Black BG
19.6AAA
16.7AAA
14.4AAA
12.5AAA
11.1AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

FFFF3E
E4E461
C9CA85
ADAEA8
9293CC

Deuteranopia

FFFF4D
E2E06C
C6C28C
A9A3AC
8C85CC

Tritanopia

FF6E79
DA868E
B69DA3
90B5B7
6BCCCC

Achromatopsia

E2E2E2
D5D5D5
C8C8C8
BBBBBB
AEAEAE

Shades & Tints Shades & Tints

#FFFF00

Dark
Light

#D9F233

Dark
Light

#B3E666

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #ffff00;
  --color-2: #d9f233;
  --color-3: #b3e666;
  --color-4: #8cd999;
  --color-5: #66cccc;
}

SCSS

$color-1: #ffff00;
$color-2: #d9f233;
$color-3: #b3e666;
$color-4: #8cd999;
$color-5: #66cccc;

TAILWIND

colors: {
  'brand-1': '#ffff00',
  'brand-2': '#d9f233',
  'brand-3': '#b3e666',
  'brand-4': '#8cd999',
  'brand-5': '#66cccc',
}

RGB Array

[255, 255, 0], [217, 242, 51], [179, 230, 102], [140, 217, 153], [102, 204, 204]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This summer-style palette of #FFFF00, #D9F233, #B3E666, #8CD999, #66CCCC is ideal for: social media posters, mobile apps, e-commerce promos. Vivid colors effectively attract user attention. It is a vibrant and energetic 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: #d9f233; --color-3: #b3e666; --color-4: #8cd999; --color-5: #66cccc. 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 summer-style 5-color scheme is especially suited for food & dining, entertainment, kids education, social industries. Bold colors convey vitality and innovation. 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