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#FF3700 · #66605C · #EBEBEB · #999999 · #FF8000

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

Scene Recommendations Scene Recommendations

Emotion EMOTION

HarmoniousVersatileWarm

Industry INDUSTRY

E-commerceBusiness

UI Context UI CONTEXT

Web PageComponent LibraryData Visualization

Color Details Color Details

#FF3700

Vermilion · OrangeRed · Passion Red

HEX
#FF3700
RGB
rgb(255, 55, 0)
HSL
hsl(13, 100%, 50%)
HSB
hsb(13, 100%, 100%)
CMYK
cmyk(0%, 78%, 100%, 0%)
Oklch
oklch(64.9% 0.239 33.1)

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

#66605C

Ink Gray · DimGray · Charcoal

HEX
#66605C
RGB
rgb(102, 96, 92)
HSL
hsl(24, 5%, 38%)
HSB
hsb(24, 10%, 40%)
CMYK
cmyk(0%, 6%, 10%, 60%)
Oklch
oklch(49.3% 0.010 56.2)

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

#EBEBEB

Plain White · Lavender · Cloud White

HEX
#EBEBEB
RGB
rgb(235, 235, 235)
HSL
hsl(0, 0%, 92%)
HSB
hsb(0, 0%, 92%)
CMYK
cmyk(0%, 0%, 0%, 8%)
Oklch
oklch(94.0% 0.000 89.9)

Traditional「Plain White」· Paint「Cloud White」· Creative Morning Mist

#999999

Ash · DarkGray · Silver Sand

HEX
#999999
RGB
rgb(153, 153, 153)
HSL
hsl(0, 0%, 60%)
HSB
hsb(0, 0%, 60%)
CMYK
cmyk(0%, 0%, 0%, 40%)
Oklch
oklch(68.3% 0.000 89.9)

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

#FF8000

Ochre · Orange · Amber Brown

HEX
#FF8000
RGB
rgb(255, 128, 0)
HSL
hsl(30, 100%, 50%)
HSB
hsb(30, 100%, 100%)
CMYK
cmyk(0%, 50%, 100%, 0%)
Oklch
oklch(73.2% 0.186 53.0)

Traditional「Ochre」· Paint「Amber Brown」· Creative Blush Sunrise

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

FF3700
00C8FF

Analogous

FF0048
FF3700
FFB700

Triadic

FF3700
00FF37
3700FF

Split-Comp.

FF3700
00FFB7
0048FF

Tetradic

FF3700
48FF00
00C8FF
B700FF

Contrast Matrix WCAG 2.1 Contrast

FF3700
66605C
EBEBEB
999999
FF8000
—
1.7
Fail
3.0
AA Large
1.3
Fail
1.4
Fail
1.7
Fail
—
5.2
AA
2.2
Fail
2.5
Fail
3.0
AA Large
5.2
AA
—
2.4
Fail
2.1
Fail
1.3
Fail
2.2
Fail
2.4
Fail
—
1.1
Fail
1.4
Fail
2.5
Fail
2.1
Fail
1.1
Fail
—
White BG
3.6AA Large
6.2AA
1.2Fail
2.8Fail
2.5Fail
Black BG
5.8AA
3.4AA Large
17.6AAA
7.4AAA
8.3AAA

Color Blindness Simulation Color Blindness Simulation

Protanopia

A8A70D
63635D
EBEBEB
999999
C8C71F

Deuteranopia

B4C311
64645D
EBEBEB
999999
CFD926

Tritanopia

F5181A
665E5E
EBEBEB
999999
F9373D

Achromatopsia

6D6D6D
616161
EBEBEB
999999
979797

Shades & Tints Shades & Tints

#FF3700

Dark
Light

#66605C

Dark
Light

#EBEBEB

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #ff3700;
  --color-2: #66605c;
  --color-3: #ebebeb;
  --color-4: #999999;
  --color-5: #ff8000;
}

SCSS

$color-1: #ff3700;
$color-2: #66605c;
$color-3: #ebebeb;
$color-4: #999999;
$color-5: #ff8000;

TAILWIND

colors: {
  'brand-1': '#ff3700',
  'brand-2': '#66605c',
  'brand-3': '#ebebeb',
  'brand-4': '#999999',
  'brand-5': '#ff8000',
}

RGB Array

[255, 55, 0], [102, 96, 92], [235, 235, 235], [153, 153, 153], [255, 128, 0]

FAQ FAQ

What scenarios is this 5-color palette suitable for?

This general-style palette of #FF3700, #66605C, #EBEBEB, #999999, #FF8000 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: #ff3700; --color-2: #66605c; --color-3: #ebebeb; --color-4: #999999; --color-5: #ff8000. 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 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