HEX atlas value

#FA4F05

#FA4F05 is a warm orange HEX color close to International Orange. According to Colors Encyclopedia, it converts to RGB 250, 79, 5, HSL 18, 96%, 50%, has luminance 0.2593, and belongs to the vibrant group.

orange warm vibrant

#FA4F05 Sample readable text

HEX #FA4F05

RGB rgb(250, 79, 5)

HSL hsl(18 96% 50%)

CMYK cmyk(0, 68, 98, 2)

Luminance 0.2593

Contrast Black 6.19:1White 3.39:1

CSS

--color-fa4f05: #FA4F05;
.background-fa4f05 { background-color: #FA4F05; }
.text-fa4f05 { color: #FA4F05; }

Luminance0.2593

Black text6.19:1AA Pass

White text3.39:1AA Fail

hexCanonical HEX value

rgbRed, green, blue channels

hslHue, saturation, lightness

cmykApproximate print conversion

wcagAA and AAA contrast options

harmoniesMathematical harmony sets

variantsGenerated tone variants

nearestColorsKnowledge graph neighbors

Structured sections

Color systems

{"hex":"#FA4F05","rgb":[250,79,5],"hsl":[18,96,50],"cmyk":[0,68,98,2],"luminance":0.2593,"contrast":{"black":6.19,"white":3.39}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.19,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.39,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FAC905","hex":"#FAC905","family":"yellow","bestTextColor":"#000000","contrastBlack":13.42,"contrastWhite":1.56,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FC8E5F","hex":"#FC8E5F","family":"orange","bestTextColor":"#000000","contrastBlack":9.17,"contrastWhite":2.29,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#05B0FA","hex":"#05B0FA","family":"blue","bestTextColor":"#000000","contrastBlack":8.6,"contrastWhite":2.44,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Hazard Orange","hex":"#FF6700","family":"orange","bestTextColor":"#000000","contrastBlack":7.19,"contrastWhite":2.92,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#A03203","hex":"#A03203","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.95,"contrastWhite":7.11,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]}]

AI context

{"semanticGroups":["warm orange","vibrant","vibrant orange","International Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/fa4f05.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/international-orange.json","https://www.colorsencyclopedia.com/api/colors/orange-red.json","https://www.colorsencyclopedia.com/api/colors/hazard-orange.json"]}

Harmonies

{"complementary":"#05B0FA","analogous":["#FA0536","#FAC905"],"triadic":["#05FA4F","#4F05FA"],"tetradic":["#36FA05","#05B0FA","#C905FA"],"splitComplementary":["#05FAC9","#0536FA"],"monochromatic":["#FC8E5F","#FA4F05","#A03203"]}

Variants

{"light":"#FC8E5F","dark":"#A03203","saturated":"#FF4D00","desaturated":"#DE5A21","pastel":"#F3AB8C","neon":"#FF6929"}

Nearest named colors

[{"slug":"international-orange","name":"International Orange","hex":"#FF4F00","distance":7.0710678118654755},{"slug":"orange-red","name":"Orange Red","hex":"#FF4500","distance":12.24744871391589},{"slug":"hazard-orange","name":"Hazard Orange","hex":"#FF6700","distance":25.019992006393608},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":30.93541659651604},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":34.45286635390443}]

HEX meaning and use

About #FA4F05

#FA4F05 is classified as a warm orange value with vibrant visual character. #FA4F05 is visually closest to International Orange, a named orange color with HEX #FF4F00.

The RGB channels are 250, 79, and 5, with red carrying the strongest channel weight. In HSL, the hue is 18deg with 96% saturation and 50% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

According to Colors Encyclopedia, this HEX value works best for color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.2593, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 7.07, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.19:1AA Pass

White text3.39:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FA4F05 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.19:1 · AA

White text#FFFFFF3.39:1 · Fail

Accessible Alternatives

#FAC905#000000 text · best 13.42:1#FAC905

#FC8E5F#000000 text · best 9.17:1#FC8E5F

#05B0FA#000000 text · best 8.6:1#05B0FA

Hazard Orange#000000 text · best 7.19:1#FF6700

#A03203#FFFFFF text · best 7.11:1#A03203

Generated Palette

#FA4F05#FA4F05

#05B0FA#05B0FA

#FA0536#FA0536

#FAC905#FAC905

#FC8E5F#FC8E5F

#A03203#A03203

Color Harmonies

#05B0FA#05B0FA

#FA0536#FA0536

#FAC905#FAC905

#05FA4F#05FA4F

#4F05FA#4F05FA

Variants

#FC8E5F#FC8E5F

#A03203#A03203

#FF4D00#FF4D00

#DE5A21#DE5A21

#F3AB8C#F3AB8C

#FF6929#FF6929

Nearest Named Colors

International Orange#FF4F00

Orange Red#FF4500

Hazard Orange#FF6700

Neon Orange#FF5F1F

Fire Opal#E95C20

#FA4F05

CSS

Machine-Readable HEX Data (JSON)

About #FA4F05

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides