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#FFF900 · #FFC501 · #B4420D · #A50A0A

warm

A 4-color warm palette · Complete color analysis and application guide

Scene Recommendations Scene Recommendations

Emotion EMOTION

PassionateDynamicWarm

Industry INDUSTRY

EntertainmentFMCG

UI Context UI CONTEXT

Sale PromoSocial App

Color Details Color Details

#FFF900

Autumn Sage · Yellow · Honey Gold

HEX
#FFF900
RGB
rgb(255, 249, 0)
HSL
hsl(59, 100%, 50%)
HSB
hsb(59, 100%, 100%)
CMYK
cmyk(0%, 2%, 100%, 0%)
Oklch
oklch(95.6% 0.206 108.0)

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

#FFC501

Ochre · Gold · Honey Gold

HEX
#FFC501
RGB
rgb(255, 197, 1)
HSL
hsl(46, 100%, 50%)
HSB
hsb(46, 100%, 100%)
CMYK
cmyk(0%, 23%, 100%, 0%)
Oklch
oklch(85.2% 0.174 87.0)

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

#B4420D

Tangerine · FireBrick · Amber Brown

HEX
#B4420D
RGB
rgb(180, 66, 13)
HSL
hsl(19, 87%, 38%)
HSB
hsb(19, 93%, 71%)
CMYK
cmyk(0%, 63%, 93%, 29%)
Oklch
oklch(53.1% 0.159 40.5)

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

#A50A0A

Vermilion · DarkRed · Wine Red

HEX
#A50A0A
RGB
rgb(165, 10, 10)
HSL
hsl(0, 89%, 34%)
HSB
hsb(0, 94%, 65%)
CMYK
cmyk(0%, 94%, 94%, 35%)
Oklch
oklch(45.7% 0.182 28.6)

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

Color Harmonies Color Harmonies

Based on color wheel theory, calculated from primary color

Complementary

FFF900
0004FF

Analogous

FF7B00
FFF900
84FF00

Triadic

FFF900
00FFFB
FB00FF

Split-Comp.

FFF900
0084FF
7B00FF

Tetradic

FFF900
00FF7B
0004FF
FF0084

Contrast Matrix WCAG 2.1 Contrast

FFF900
FFC501
B4420D
A50A0A
—
1.4
Fail
5.0
AA
7.1
AAA
1.4
Fail
—
3.6
AA Large
5.0
AA
5.0
AA
3.6
AA Large
—
1.4
Fail
7.1
AAA
5.0
AA
1.4
Fail
—
White BG
1.1Fail
1.6Fail
5.6AA
7.9AAA
Black BG
18.8AAA
13.2AAA
3.7AA Large
2.6Fail

Color Blindness Simulation Color Blindness Simulation

Protanopia

FCFC3C
E6E530
83821A
62600A

Deuteranopia

FDFD4B
E9EE3C
89921D
6B760A

Tritanopia

FF6C76
FC565E
AE2426
9D0A0A

Achromatopsia

DEDEDE
C0C0C0
5E5E5E
383838

Shades & Tints Shades & Tints

#FFF900

Dark
Light

#FFC501

Dark
Light

#B4420D

Dark
Light

Code Snippets Code Snippets

CSS Custom Properties

:root {
  --color-1: #fff900;
  --color-2: #ffc501;
  --color-3: #b4420d;
  --color-4: #a50a0a;
}

SCSS

$color-1: #fff900;
$color-2: #ffc501;
$color-3: #b4420d;
$color-4: #a50a0a;

TAILWIND

colors: {
  'brand-1': '#fff900',
  'brand-2': '#ffc501',
  'brand-3': '#b4420d',
  'brand-4': '#a50a0a',
}

RGB Array

[255, 249, 0], [255, 197, 1], [180, 66, 13], [165, 10, 10]

FAQ FAQ

What scenarios is this 4-color palette suitable for?

This warm-style palette of #FFF900, #FFC501, #B4420D, #A50A0A 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 4-color palettes.

How to use this palette in CSS or frontend projects?

Copy the CSS variables directly: --color-1: #fff900; --color-2: #ffc501; --color-3: #b4420d; --color-4: #a50a0a. 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 warm-style 4-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