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#637D7D · #FFC300 · #FFE48C · #FFFFFF · #A8A8A8

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

AiryCleanWarmCool

Industry INDUSTRY

HealthcareSaaS

UI Context UI CONTEXT

WorkspaceReadingData Visualization

Color Details Color Details

#637D7D

Slate Blue · SlateGray · Mint Ice

HEX
#637D7D
RGB
rgb(99, 125, 125)
HSL
hsl(180, 12%, 44%)
HSB
hsb(180, 21%, 49%)
CMYK
cmyk(21%, 0%, 0%, 51%)
Oklch
oklch(56.9% 0.030 196.3)

Traditional「Slate Blue」· Paint「Mint Ice」· Creative Blush Sunrise

#FFC300

Ochre · Gold · Honey Gold

HEX
#FFC300
RGB
rgb(255, 195, 0)
HSL
hsl(46, 100%, 50%)
HSB
hsb(46, 100%, 100%)
CMYK
cmyk(0%, 24%, 100%, 0%)
Oklch
oklch(84.8% 0.174 86.1)

Traditional「Ochre」· Paint「Honey Gold」· Creative Blush Sunrise

#FFE48C

Goose Yellow · Khaki · Lemon Cream

HEX
#FFE48C
RGB
rgb(255, 228, 140)
HSL
hsl(46, 100%, 77%)
HSB
hsb(46, 45%, 100%)
CMYK
cmyk(0%, 11%, 45%, 0%)
Oklch
oklch(92.2% 0.112 92.9)

Traditional「Goose Yellow」· Paint「Lemon Cream」· 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

#A8A8A8

Ash · DarkGray · Silver Sand

HEX
#A8A8A8
RGB
rgb(168, 168, 168)
HSL
hsl(0, 0%, 66%)
HSB
hsb(0, 0%, 66%)
CMYK
cmyk(0%, 0%, 0%, 34%)
Oklch
oklch(73.2% 0.000 89.9)

Traditional「Ash」· Paint「Silver Sand」· Creative Urban Concrete

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

637D7D
7E6363

Analogous

637E70
637D7D
63707E

Triadic

637D7D
7E637E
7E7E63

Split-Comp.

637D7D
7E6370
7E7063

Tetradic

637D7D
70637E
7E6363
707E63

Contrast Matrix WCAG 2.1 Contrast

637D7D
FFC300
FFE48C
FFFFFF
A8A8A8
—
2.7
Fail
3.5
AA Large
4.4
AA Large
1.9
Fail
2.7
Fail
—
1.3
Fail
1.6
Fail
1.5
Fail
3.5
AA Large
1.3
Fail
—
1.3
Fail
1.9
Fail
4.4
AA Large
1.6
Fail
1.3
Fail
—
2.4
Fail
1.9
Fail
1.5
Fail
1.9
Fail
2.4
Fail
—
White BG
4.4AA Large
1.6Fail
1.3Fail
1.0Fail
2.4Fail
Black BG
4.8AA
13.1AAA
16.7AAA
21.0AAA
8.8AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

6E6E7D
E5E42F
F3F3A1
FFFFFF
A8A8A8

Deuteranopia

6D6B7D
E9ED3B
F5F7A6
FFFFFF
A8A8A8

Tritanopia

647D7D
FC545D
FEB2B6
FFFFFF
A8A8A8

Achromatopsia

757575
BFBFBF
E2E2E2
FFFFFF
A8A8A8

Shades & Tints Shades & Tints

#637D7D

Dark
Light

#FFC300

Dark
Light

#FFE48C

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #637d7d;
  --color-2: #ffc300;
  --color-3: #ffe48c;
  --color-4: #ffffff;
  --color-5: #a8a8a8;
}

SCSS

$color-1: #637d7d;
$color-2: #ffc300;
$color-3: #ffe48c;
$color-4: #ffffff;
$color-5: #a8a8a8;

TAILWIND

colors: {
  'brand-1': '#637d7d',
  'brand-2': '#ffc300',
  'brand-3': '#ffe48c',
  'brand-4': '#ffffff',
  'brand-5': '#a8a8a8',
}

RGB Array

[99, 125, 125], [255, 195, 0], [255, 228, 140], [255, 255, 255], [168, 168, 168]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #637D7D, #FFC300, #FFE48C, #FFFFFF, #A8A8A8 is ideal for: health products, baby brands, fresh-style blogs, 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: #637d7d; --color-2: #ffc300; --color-3: #ffe48c; --color-4: #ffffff; --color-5: #a8a8a8. 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?

Light tones suit backgrounds; use dark colors for body text. Mid-tones work for card backgrounds or dividers to add depth. 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