HEX atlas value

#FA4A05

#FA4A05 is a warm orange HEX color close to International Orange. According to Colors Encyclopedia, it converts to RGB 250, 74, 5, HSL 17, 96%, 50%, has luminance 0.2523, and belongs to the vibrant group.

#FA4A05 Sample readable text
HEX #FA4A05
RGB rgb(250, 74, 5)
HSL hsl(17 96% 50%)
CMYK cmyk(0, 70, 98, 2)
Luminance 0.2523
Contrast Black 6.05:1White 3.47:1

CSS

--color-fa4a05: #FA4A05;
.background-fa4a05 { background-color: #FA4A05; }
.text-fa4a05 { color: #FA4A05; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.2523
Black text6.05:1AA Pass
White text3.47:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#FA4A05","rgb":[250,74,5],"hsl":[17,96,50],"cmyk":[0,70,98,2],"luminance":0.2523,"contrast":{"black":6.05,"white":3.47}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.05,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.47,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#FAC505","hex":"#FAC505","family":"yellow","bestTextColor":"#000000","contrastBlack":13.05,"contrastWhite":1.61,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FC8B5F","hex":"#FC8B5F","family":"orange","bestTextColor":"#000000","contrastBlack":9,"contrastWhite":2.33,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#05B5FA","hex":"#05B5FA","family":"blue","bestTextColor":"#000000","contrastBlack":9,"contrastWhite":2.33,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#A03003","hex":"#A03003","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.92,"contrastWhite":7.2,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF"]},{"name":"Hazard Orange","hex":"#FF6700","family":"orange","bestTextColor":"#000000","contrastBlack":7.19,"contrastWhite":2.92,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
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/fa4a05.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":"#05B5FA","analogous":["#FA053A","#FAC505"],"triadic":["#05FA4A","#4A05FA"],"tetradic":["#3AFA05","#05B5FA","#C505FA"],"splitComplementary":["#05FAC5","#053AFA"],"monochromatic":["#FC8B5F","#FA4A05","#A03003"]}
Variants
{"light":"#FC8B5F","dark":"#A03003","saturated":"#FF4800","desaturated":"#DE5721","pastel":"#F3A98C","neon":"#FF6529"}
Nearest named colors
[{"slug":"international-orange","name":"International Orange","hex":"#FF4F00","distance":8.660254037844387},{"slug":"orange-red","name":"Orange Red","hex":"#FF4500","distance":8.660254037844387},{"slug":"hazard-orange","name":"Hazard Orange","hex":"#FF6700","distance":29.8496231131986},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":33.793490497431605},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":36.6333181680284}]

HEX meaning and use

About #FA4A05

#FA4A05 is classified as a warm orange value with vibrant visual character. #FA4A05 is visually closest to International Orange, a named orange color with HEX #FF4F00.

The RGB channels are 250, 74, and 5, with red carrying the strongest channel weight. In HSL, the hue is 17deg 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 0.2523, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 8.66, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.05:1AA Pass
White text3.47:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FA4A05 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.05:1 · AA
White text#FFFFFF3.47:1 · Fail

Accessible Alternatives

#FAC505#000000 text · best 13.05:1#FAC505
#FC8B5F#000000 text · best 9:1#FC8B5F
#05B5FA#000000 text · best 9:1#05B5FA
#A03003#FFFFFF text · best 7.2:1#A03003
Hazard Orange#000000 text · best 7.19:1#FF6700

Generated Palette

#FA4A05#FA4A05
#05B5FA#05B5FA
#FA053A#FA053A
#FAC505#FAC505
#FC8B5F#FC8B5F
#A03003#A03003

Color Harmonies

#05B5FA#05B5FA
#FA053A#FA053A
#FAC505#FAC505
#05FA4A#05FA4A
#4A05FA#4A05FA

Variants

#FC8B5F#FC8B5F
#A03003#A03003
#FF4800#FF4800
#DE5721#DE5721
#F3A98C#F3A98C
#FF6529#FF6529

Nearest Named Colors