HEX atlas value

#BF4F18

#BF4F18 is a warm orange HEX color close to Rust. According to Colors Encyclopedia, it converts to RGB 191, 79, 24, HSL 20, 78%, 42%, has luminance 0.1673, and belongs to the vibrant group.

orange warm vibrant

#BF4F18 Sample readable text

HEX #BF4F18

RGB rgb(191, 79, 24)

HSL hsl(20 78% 42%)

CMYK cmyk(0, 59, 87, 25)

Luminance 0.1673

Contrast Black 4.35:1White 4.83:1

CSS

--color-bf4f18: #BF4F18;
.background-bf4f18 { background-color: #BF4F18; }
.text-bf4f18 { color: #BF4F18; }

Luminance0.1673

Black text4.35:1AA Fail

White text4.83:1AA Pass

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":"#BF4F18","rgb":[191,79,24],"hsl":[20,78,42],"cmyk":[0,59,87,25],"luminance":0.1673,"contrast":{"black":4.35,"white":4.83}}

WCAG

{"AA":["#FFFFFF"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":4.35,"wcagAA":false,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":4.83,"wcagAA":true,"wcagAAA":false}]

Accessible alternatives

[{"name":"#6D2D0D","hex":"#6D2D0D","family":"orange","bestTextColor":"#FFFFFF","contrastBlack":2.03,"contrastWhite":10.33,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":["#FFFFFF","#F5F5F5"]},{"name":"#BFA318","hex":"#BFA318","family":"yellow","bestTextColor":"#000000","contrastBlack":8.47,"contrastWhite":2.48,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#E97E49","hex":"#E97E49","family":"orange","bestTextColor":"#000000","contrastBlack":7.55,"contrastWhite":2.78,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]},{"name":"#BF1833","hex":"#BF1833","family":"red","bestTextColor":"#FFFFFF","contrastBlack":3.39,"contrastWhite":6.19,"wcagAA":["#FFFFFF","#F5F5F5"],"wcagAAA":[]},{"name":"Cinnamon","hex":"#D2691E","family":"orange","bestTextColor":"#000000","contrastBlack":5.78,"contrastWhite":3.63,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":[]}]

AI context

{"semanticGroups":["warm orange","vibrant","vibrant orange","Rust adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#FFFFFF"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/bf4f18.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/rust.json","https://www.colorsencyclopedia.com/api/colors/burnt-orange.json","https://www.colorsencyclopedia.com/api/colors/mahogany.json"]}

Harmonies

{"complementary":"#1887BF","analogous":["#BF1833","#BFA318"],"triadic":["#18BF4F","#4F18BF"],"tetradic":["#33BF18","#1887BF","#A318BF"],"splitComplementary":["#18BFA3","#1833BF"],"monochromatic":["#E97E49","#BF4F18","#6D2D0D"]}

Variants

{"light":"#E97E49","dark":"#6D2D0D","saturated":"#D64700","desaturated":"#A7572F","pastel":"#E09976","neon":"#FF5500"}

Nearest named colors

[{"slug":"rust","name":"Rust","hex":"#B7410E","distance":18.973665961010276},{"slug":"burnt-orange","name":"Burnt Orange","hex":"#CC5500","distance":27.94637722496424},{"slug":"mahogany","name":"Mahogany","hex":"#C04000","distance":28.319604517012593},{"slug":"chocolate","name":"Chocolate","hex":"#D2691E","distance":32.7566787083184},{"slug":"cinnamon","name":"Cinnamon","hex":"#D2691E","distance":32.7566787083184}]

HEX meaning and use

About #BF4F18

#BF4F18 is classified as a warm orange value with vibrant visual character. #BF4F18 is visually closest to Rust, a named orange color with HEX #B7410E.

The RGB channels are 191, 79, and 24, with red carrying the strongest channel weight. In HSL, the hue is 20deg with 78% saturation and 42% 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 0.1673, white text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.97, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text4.35:1AA Fail

White text4.83:1AA Pass

AA text options: #FFFFFF.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #BF4F18 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000004.35:1 · Fail

White text#FFFFFF4.83:1 · AA

Accessible Alternatives

#6D2D0D#FFFFFF text · best 10.33:1#6D2D0D

#BFA318#000000 text · best 8.47:1#BFA318

#E97E49#000000 text · best 7.55:1#E97E49

#BF1833#FFFFFF text · best 6.19:1#BF1833

Cinnamon#000000 text · best 5.78:1#D2691E

Generated Palette

#BF4F18#BF4F18

#1887BF#1887BF

#BF1833#BF1833

#BFA318#BFA318

#E97E49#E97E49

#6D2D0D#6D2D0D

Color Harmonies

#1887BF#1887BF

#BF1833#BF1833

#BFA318#BFA318

#18BF4F#18BF4F

#4F18BF#4F18BF

Variants

#E97E49#E97E49

#6D2D0D#6D2D0D

#D64700#D64700

#A7572F#A7572F

#E09976#E09976

#FF5500#FF5500

Nearest Named Colors

Rust#B7410E

Burnt Orange#CC5500

Mahogany#C04000

Chocolate#D2691E

Cinnamon#D2691E

#BF4F18

CSS

Machine-Readable HEX Data (JSON)

About #BF4F18

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides