HEX atlas value

#FF5F1F

#FF5F1F is a warm orange HEX color nearest Neon Orange. RGB 255, 95, 31, HSL 17° 100% 56%, luminance 0.2954; view contrast and conversions.

#FF5F1F Sample readable text
HEX #FF5F1F
RGB rgb(255, 95, 31)
HSL hsl(17 100% 56%)
CMYK cmyk(0, 63, 88, 0)
Luminance 0.2954
Contrast Black 6.91:1White 3.04:1

CSS

--color-ff5f1f: #FF5F1F;
.background-ff5f1f { background-color: #FF5F1F; }
.text-ff5f1f { color: #FF5F1F; }

HEX meaning and use

About #FF5F1F

#FF5F1F is classified as a warm orange value with vibrant visual character. #FF5F1F is visually closest to Neon Orange, a named orange color with HEX #FF5F1F.

The RGB channels are 255, 95, and 31, with red carrying the strongest channel weight. In HSL, the hue is 17deg with 100% saturation and 56% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.2954, 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 text6.91:1AA Pass
White text3.04:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FF5F1F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.91:1 · AA
White text#FFFFFF3.04:1 · Fail

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

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
Luminance0.2954
Black text6.91:1AA Pass
White text3.04:1AA 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":"#FF5F1F","rgb":[255,95,31],"hsl":[17,100,56],"cmyk":[0,63,88,0],"luminance":0.2954,"contrast":{"black":6.91,"white":3.04}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.91,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.04,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#FFCE1F","hex":"#FFCE1F","family":"yellow","bestTextColor":"#000000","contrastBlack":14.1,"contrastWhite":1.49,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Light Salmon","hex":"#FFA07A","family":"orange","bestTextColor":"#000000","contrastBlack":10.56,"contrastWhite":1.99,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#1FBFFF","hex":"#1FBFFF","family":"blue","bestTextColor":"#000000","contrastBlack":9.95,"contrastWhite":2.11,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Pumpkin","hex":"#FF7518","family":"orange","bestTextColor":"#000000","contrastBlack":7.81,"contrastWhite":2.69,"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","Neon Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/ff5f1f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/neon-orange.json","https://www.colorsencyclopedia.com/api/colors/fire-opal.json","https://www.colorsencyclopedia.com/api/colors/pumpkin.json"]}
Harmonies
{"complementary":"#1FBFFF","analogous":["#FF1F4F","#FFCE1F"],"triadic":["#1FFF5E","#5E1FFF"],"tetradic":["#4FFF1F","#1FBFFF","#CE1FFF"],"splitComplementary":["#1FFFCE","#1F4FFF"],"monochromatic":["#FFA07A","#FF5F1F","#C23700"]}
Variants
{"light":"#FFA07A","dark":"#C23700","saturated":"#FF5E1F","desaturated":"#E66937","pastel":"#F8BDA5","neon":"#FF7B47"}
Nearest named colors
[{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":0},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":22.22611077089287},{"slug":"pumpkin","name":"Pumpkin","hex":"#FF7518","distance":23.08679276123039},{"slug":"hazard-orange","name":"Hazard Orange","hex":"#FF6700","distance":32.01562118716424},{"slug":"international-orange","name":"International Orange","hex":"#FF4F00","distance":34.88552708502482}]