HEX atlas value

#FB642D

#FB642D is a warm orange HEX color close to Neon Orange. According to Colors Encyclopedia, it converts to RGB 251, 100, 45, HSL 16, 96%, 58%, has luminance 0.2981, and belongs to the vibrant group.

orange warm vibrant

#FB642D Sample readable text

HEX #FB642D

RGB rgb(251, 100, 45)

HSL hsl(16 96% 58%)

CMYK cmyk(0, 60, 82, 2)

Luminance 0.2981

Contrast Black 6.96:1White 3.02:1

CSS

--color-fb642d: #FB642D;
.background-fb642d { background-color: #FB642D; }
.text-fb642d { color: #FB642D; }

Luminance0.2981

Black text6.96:1AA Pass

White text3.02:1AA 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

Structured sections

Color systems

{"hex":"#FB642D","rgb":[251,100,45],"hsl":[16,96,58],"cmyk":[0,60,82,2],"luminance":0.2981,"contrast":{"black":6.96,"white":3.02}}

WCAG

{"AA":["#000000","#1A1A1A"],"AAA":[]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.96,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.02,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FBCB2D","hex":"#FBCB2D","family":"yellow","bestTextColor":"#000000","contrastBlack":13.68,"contrastWhite":1.53,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FDA687","hex":"#FDA687","family":"orange","bestTextColor":"#000000","contrastBlack":10.98,"contrastWhite":1.91,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#2DC4FB","hex":"#2DC4FB","family":"blue","bestTextColor":"#000000","contrastBlack":10.4,"contrastWhite":2.02,"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":"Tomato","hex":"#FF6347","family":"red","bestTextColor":"#000000","contrastBlack":7.13,"contrastWhite":2.95,"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/fb642d.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/tomato.json"]}

Harmonies

{"complementary":"#2DC4FB","analogous":["#FB2D5D","#FBCB2D"],"triadic":["#2DFB64","#642DFB"],"tetradic":["#5DFB2D","#2DC4FB","#CB2DFB"],"splitComplementary":["#2DFBCB","#2D5DFB"],"monochromatic":["#FDA687","#FB642D","#C83804"]}

Variants

{"light":"#FDA687","dark":"#C83804","saturated":"#FF6229","desaturated":"#E36F45","pastel":"#F7C3B1","neon":"#FF8052"}

Nearest named colors

[{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":15.394804318340652},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":23.600847442411894},{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":26.324893162176366},{"slug":"pumpkin","name":"Pumpkin","hex":"#FF7518","distance":27.313000567495326},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":32.54228019054596}]

HEX meaning and use

About #FB642D

#FB642D is classified as a warm orange value with vibrant visual character. #FB642D is visually closest to Neon Orange, a named orange color with HEX #FF5F1F.

The RGB channels are 251, 100, and 45, with red carrying the strongest channel weight. In HSL, the hue is 16deg with 96% saturation and 58% 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 0.2981, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.39, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text6.96:1AA Pass

White text3.02:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FB642D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.96:1 · AA

White text#FFFFFF3.02:1 · Fail

Accessible Alternatives

#FBCB2D#000000 text · best 13.68:1#FBCB2D

#FDA687#000000 text · best 10.98:1#FDA687

#2DC4FB#000000 text · best 10.4:1#2DC4FB

Pumpkin#000000 text · best 7.81:1#FF7518

Tomato#000000 text · best 7.13:1#FF6347

Generated Palette

#FB642D#FB642D

#2DC4FB#2DC4FB

#FB2D5D#FB2D5D

#FBCB2D#FBCB2D

#FDA687#FDA687

#C83804#C83804

Color Harmonies

#2DC4FB#2DC4FB

#FB2D5D#FB2D5D

#FBCB2D#FBCB2D

#2DFB64#2DFB64

#642DFB#642DFB

Variants

#FDA687#FDA687

#C83804#C83804

#FF6229#FF6229

#E36F45#E36F45

#F7C3B1#F7C3B1

#FF8052#FF8052

Nearest Named Colors

Neon Orange#FF5F1F

Fire Opal#E95C20

Tomato#FF6347

Pumpkin#FF7518

Cinnabar#E44D2E

#FB642D

CSS

Machine-Readable HEX Data (JSON)

About #FB642D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides