HEX atlas value

#FF7F00

#FF7F00 is a warm orange HEX color close to Construction Orange. According to Colors Encyclopedia, it converts to RGB 255, 127, 0, HSL 30, 100%, 50%, has luminance 0.3644, and belongs to the vibrant group.

#FF7F00 Sample readable text
HEX #FF7F00
RGB rgb(255, 127, 0)
HSL hsl(30 100% 50%)
CMYK cmyk(0, 50, 100, 0)
Luminance 0.3644
Contrast Black 8.29:1White 2.53:1

CSS

--color-ff7f00: #FF7F00;
.background-ff7f00 { background-color: #FF7F00; }
.text-ff7f00 { color: #FF7F00; }

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
Luminance0.3644
Black text8.29:1AA Pass
White text2.53:1AA 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":"#FF7F00","rgb":[255,127,0],"hsl":[30,100,50],"cmyk":[0,50,100,0],"luminance":0.3644,"contrast":{"black":8.29,"white":2.53}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":["#000000"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":8.29,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.53,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"Yellow","hex":"#FFFF00","family":"yellow","bestTextColor":"#000000","contrastBlack":19.56,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFAD5C","hex":"#FFAD5C","family":"orange","bestTextColor":"#000000","contrastBlack":11.38,"contrastWhite":1.84,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Dark Orange","hex":"#FF8C00","family":"orange","bestTextColor":"#000000","contrastBlack":9,"contrastWhite":2.33,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FF8000","hex":"#FF8000","family":"orange","bestTextColor":"#000000","contrastBlack":8.34,"contrastWhite":2.52,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Tangerine","hex":"#F28500","family":"orange","bestTextColor":"#000000","contrastBlack":8.13,"contrastWhite":2.58,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Construction Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ff7f00.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/construction-orange.json","https://www.colorsencyclopedia.com/api/colors/safety-orange.json","https://www.colorsencyclopedia.com/api/colors/dark-orange.json"]}
Harmonies
{"complementary":"#007FFF","analogous":["#FF0000","#FFFF00"],"triadic":["#00FF80","#7F00FF"],"tetradic":["#00FF00","#007FFF","#FF00FF"],"splitComplementary":["#00FFFF","#0000FF"],"monochromatic":["#FFAD5C","#FF7F00","#A35200"]}
Variants
{"light":"#FFAD5C","dark":"#A35200","saturated":"#FF8000","desaturated":"#E37F1C","pastel":"#F5BF89","neon":"#FF9429"}
Nearest named colors
[{"slug":"construction-orange","name":"Construction Orange","hex":"#FF7F00","distance":0},{"slug":"safety-orange","name":"Safety Orange","hex":"#FF7900","distance":6},{"slug":"dark-orange","name":"Dark Orange","hex":"#FF8C00","distance":13},{"slug":"tangerine","name":"Tangerine","hex":"#F28500","distance":14.317821063276353},{"slug":"hazard-orange","name":"Hazard Orange","hex":"#FF6700","distance":24}]

HEX meaning and use

About #FF7F00

#FF7F00 is classified as a warm orange value with vibrant visual character. #FF7F00 is visually closest to Construction Orange, a named orange color with HEX #FF7F00.

The RGB channels are 255, 127, and 0, with red carrying the strongest channel weight. In HSL, the hue is 30deg with 100% 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 0.3644, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.29:1AA Pass
White text2.53:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FF7F00 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.29:1 · AAA
White text#FFFFFF2.53:1 · Fail

Accessible Alternatives

Yellow#000000 text · best 19.56:1#FFFF00
#FFAD5C#000000 text · best 11.38:1#FFAD5C
Dark Orange#000000 text · best 9:1#FF8C00
#FF8000#000000 text · best 8.34:1#FF8000
Tangerine#000000 text · best 8.13:1#F28500

Generated Palette

Construction Orange#FF7F00
#007FFF#007FFF
Red#FF0000
Yellow#FFFF00
#FFAD5C#FFAD5C
#A35200#A35200

Color Harmonies

#007FFF#007FFF
Red#FF0000
Yellow#FFFF00
#00FF80#00FF80
#7F00FF#7F00FF

Variants

#FFAD5C#FFAD5C
#A35200#A35200
#FF8000#FF8000
#E37F1C#E37F1C
#F5BF89#F5BF89
#FF9429#FF9429

Nearest Named Colors