HEX atlas value

#FA5B05

#FA5B05 is a warm orange HEX color close to Hazard Orange. According to Colors Encyclopedia, it converts to RGB 250, 91, 5, HSL 21, 96%, 50%, has luminance 0.2782, and belongs to the vibrant group.

orange warm vibrant

#FA5B05 Sample readable text

HEX #FA5B05

RGB rgb(250, 91, 5)

HSL hsl(21 96% 50%)

CMYK cmyk(0, 64, 98, 2)

Luminance 0.2782

Contrast Black 6.56:1White 3.2:1

CSS

--color-fa5b05: #FA5B05;
.background-fa5b05 { background-color: #FA5B05; }
.text-fa5b05 { color: #FA5B05; }

Luminance0.2782

Black text6.56:1AA Pass

White text3.2:1AA 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":"#FA5B05","rgb":[250,91,5],"hsl":[21,96,50],"cmyk":[0,64,98,2],"luminance":0.2782,"contrast":{"black":6.56,"white":3.2}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.56,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.2,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FAD505","hex":"#FAD505","family":"yellow","bestTextColor":"#000000","contrastBlack":14.58,"contrastWhite":1.44,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FC965F","hex":"#FC965F","family":"orange","bestTextColor":"#000000","contrastBlack":9.67,"contrastWhite":2.17,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Safety Orange","hex":"#FF7900","family":"orange","bestTextColor":"#000000","contrastBlack":7.99,"contrastWhite":2.63,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#05A4FA","hex":"#05A4FA","family":"blue","bestTextColor":"#000000","contrastBlack":7.7,"contrastWhite":2.73,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"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","Hazard Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/fa5b05.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/hazard-orange.json","https://www.colorsencyclopedia.com/api/colors/international-orange.json","https://www.colorsencyclopedia.com/api/colors/orange-red.json"]}

Harmonies

{"complementary":"#05A4FA","analogous":["#FA052A","#FAD505"],"triadic":["#05FA5B","#5B05FA"],"tetradic":["#2AFA05","#05A4FA","#D505FA"],"splitComplementary":["#05FAD5","#052AFA"],"monochromatic":["#FC965F","#FA5B05","#A03A03"]}

Variants

{"light":"#FC965F","dark":"#A03A03","saturated":"#FF5900","desaturated":"#DE6321","pastel":"#F3B08C","neon":"#FF7429"}

Nearest named colors

[{"slug":"hazard-orange","name":"Hazard Orange","hex":"#FF6700","distance":13.92838827718412},{"slug":"international-orange","name":"International Orange","hex":"#FF4F00","distance":13.92838827718412},{"slug":"orange-red","name":"Orange Red","hex":"#FF4500","distance":23.108440016582687},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":26.77685567799177},{"slug":"safety-orange","name":"Safety Orange","hex":"#FF7900","distance":30.822070014844883}]

HEX meaning and use

About #FA5B05

#FA5B05 is classified as a warm orange value with vibrant visual character. #FA5B05 is visually closest to Hazard Orange, a named orange color with HEX #FF6700.

The RGB channels are 250, 91, and 5, with red carrying the strongest channel weight. In HSL, the hue is 21deg 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 0.2782, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.93, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.56:1AA Pass

White text3.2:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FA5B05 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.56:1 · AA

White text#FFFFFF3.2:1 · Fail

Accessible Alternatives

#FAD505#000000 text · best 14.58:1#FAD505

#FC965F#000000 text · best 9.67:1#FC965F

Safety Orange#000000 text · best 7.99:1#FF7900

#05A4FA#000000 text · best 7.7:1#05A4FA

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

Generated Palette

#FA5B05#FA5B05

#05A4FA#05A4FA

#FA052A#FA052A

#FAD505#FAD505

#FC965F#FC965F

#A03A03#A03A03

Color Harmonies

#05A4FA#05A4FA

#FA052A#FA052A

#FAD505#FAD505

#05FA5B#05FA5B

#5B05FA#5B05FA

Variants

#FC965F#FC965F

#A03A03#A03A03

#FF5900#FF5900

#DE6321#DE6321

#F3B08C#F3B08C

#FF7429#FF7429

Nearest Named Colors

Hazard Orange#FF6700

International Orange#FF4F00

Orange Red#FF4500

Neon Orange#FF5F1F

Safety Orange#FF7900

#FA5B05

CSS

Machine-Readable HEX Data (JSON)

About #FA5B05

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides