HEX atlas value

#F35F20

#F35F20 is a warm orange HEX color close to Fire Opal. According to Colors Encyclopedia, it converts to RGB 243, 95, 32, HSL 18, 90%, 54%, has luminance 0.2734, and belongs to the vibrant group.

#F35F20 Sample readable text
HEX #F35F20
RGB rgb(243, 95, 32)
HSL hsl(18 90% 54%)
CMYK cmyk(0, 61, 87, 5)
Luminance 0.2734
Contrast Black 6.47:1White 3.25:1

CSS

--color-f35f20: #F35F20;
.background-f35f20 { background-color: #F35F20; }
.text-f35f20 { color: #F35F20; }

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
Luminance0.2734
Black text6.47:1AA Pass
White text3.25:1AA 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":"#F35F20","rgb":[243,95,32],"hsl":[18,90,54],"cmyk":[0,61,87,5],"luminance":0.2734,"contrast":{"black":6.47,"white":3.25}}
WCAG
{"AA":["#000000","#1A1A1A"],"AAA":[]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":6.47,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.25,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#F3C920","hex":"#F3C920","family":"yellow","bestTextColor":"#000000","contrastBlack":13.19,"contrastWhite":1.59,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#F89E77","hex":"#F89E77","family":"orange","bestTextColor":"#000000","contrastBlack":10.15,"contrastWhite":2.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#20B4F3","hex":"#20B4F3","family":"blue","bestTextColor":"#000000","contrastBlack":8.88,"contrastWhite":2.36,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Pumpkin","hex":"#FF7518","family":"orange","bestTextColor":"#000000","contrastBlack":7.81,"contrastWhite":2.69,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"Neon Orange","hex":"#FF5F1F","family":"orange","bestTextColor":"#000000","contrastBlack":6.91,"contrastWhite":3.04,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]
AI context
{"semanticGroups":["warm orange","vibrant","vibrant orange","Fire Opal adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/f35f20.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/fire-opal.json","https://www.colorsencyclopedia.com/api/colors/neon-orange.json","https://www.colorsencyclopedia.com/api/colors/pumpkin.json"]}
Harmonies
{"complementary":"#20B4F3","analogous":["#F3204A","#F3C920"],"triadic":["#20F35F","#5F20F3"],"tetradic":["#4AF320","#20B4F3","#C920F3"],"splitComplementary":["#20F3C9","#204AF3"],"monochromatic":["#F89E77","#F35F20","#AE3B09"]}
Variants
{"light":"#F89E77","dark":"#AE3B09","saturated":"#FF5B14","desaturated":"#D96A3A","pastel":"#F2B9A1","neon":"#FF773D"}
Nearest named colors
[{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":10.44030650891055},{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":12.041594578792296},{"slug":"pumpkin","name":"Pumpkin","hex":"#FF7518","distance":26.30589287593181},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":27.294688127912362},{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":34.539832078341085}]

HEX meaning and use

About #F35F20

#F35F20 is classified as a warm orange value with vibrant visual character. #F35F20 is visually closest to Fire Opal, a named orange color with HEX #E95C20.

The RGB channels are 243, 95, and 32, with red carrying the strongest channel weight. In HSL, the hue is 18deg with 90% saturation and 54% 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 0.2734, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 10.44, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.47:1AA Pass
White text3.25:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #F35F20 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.47:1 · AA
White text#FFFFFF3.25:1 · Fail

Accessible Alternatives

#F3C920#000000 text · best 13.19:1#F3C920
#F89E77#000000 text · best 10.15:1#F89E77
#20B4F3#000000 text · best 8.88:1#20B4F3
Pumpkin#000000 text · best 7.81:1#FF7518
Neon Orange#000000 text · best 6.91:1#FF5F1F

Generated Palette

#F35F20#F35F20
#20B4F3#20B4F3
#F3204A#F3204A
#F3C920#F3C920
#F89E77#F89E77
#AE3B09#AE3B09

Color Harmonies

#20B4F3#20B4F3
#F3204A#F3204A
#F3C920#F3C920
#20F35F#20F35F
#5F20F3#5F20F3

Variants

#F89E77#F89E77
#AE3B09#AE3B09
#FF5B14#FF5B14
#D96A3A#D96A3A
#F2B9A1#F2B9A1
#FF773D#FF773D

Nearest Named Colors