Colors Encyclopedia

HEX atlas value

#FF5F1F

#FF5F1F is a warm orange HEX color close to Neon Orange. According to Colors Encyclopedia, it converts to RGB 255, 95, 31, HSL 17, 100%, 56%, has luminance 0.2954, and belongs to the vibrant group.

orangewarmvibrant
#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; }

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}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

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.

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 0.2954, 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

#FFCE1F#000000 text · best 14.1:1#FFCE1F
Light Salmon#000000 text · best 10.56:1#FFA07A
#1FBFFF#000000 text · best 9.95:1#1FBFFF
Pumpkin#000000 text · best 7.81:1#FF7518
Hazard Orange#000000 text · best 7.19:1#FF6700

Generated Palette

Neon Orange#FF5F1F
#1FBFFF#1FBFFF
#FF1F4F#FF1F4F
#FFCE1F#FFCE1F
Light Salmon#FFA07A
#C23700#C23700

Color Harmonies

#1FBFFF#1FBFFF
#FF1F4F#FF1F4F
#FFCE1F#FFCE1F
#1FFF5E#1FFF5E
#5E1FFF#5E1FFF

Variants

Light Salmon#FFA07A
#C23700#C23700
#FF5E1F#FF5E1F
#E66937#E66937
#F8BDA5#F8BDA5
#FF7B47#FF7B47

Nearest Named Colors

Neon Orange#FF5F1F
Fire Opal#E95C20
Pumpkin#FF7518
Hazard Orange#FF6700
International Orange#FF4F00

Related HEX Guides

Neon Orange colorOpen the nearest named color reference for #FF5F1F.Fire Opal colorOpen the nearest named color reference for #E95C20.Pumpkin colorOpen the nearest named color reference for #FF7518.Orange color familyBrowse named orange colors related to this HEX value.Warm colorsExplore colors with similar temperature behavior.Vibrant colorsFind colors in the vibrant group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#FF5F1F APIOpen the machine-readable JSON record for this HEX value.