HEX atlas value

#FB5A2D

#FB5A2D is a warm red HEX color close to Neon Orange. According to Colors Encyclopedia, it converts to RGB 251, 90, 45, HSL 13, 96%, 58%, has luminance 0.2801, and belongs to the vibrant group.

red warm vibrant

#FB5A2D Sample readable text

HEX #FB5A2D

RGB rgb(251, 90, 45)

HSL hsl(13 96% 58%)

CMYK cmyk(0, 64, 82, 2)

Luminance 0.2801

Contrast Black 6.6:1White 3.18:1

CSS

--color-fb5a2d: #FB5A2D;
.background-fb5a2d { background-color: #FB5A2D; }
.text-fb5a2d { color: #FB5A2D; }

Luminance0.2801

Black text6.6:1AA Pass

White text3.18:1AA 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":"#FB5A2D","rgb":[251,90,45],"hsl":[13,96,58],"cmyk":[0,64,82,2],"luminance":0.2801,"contrast":{"black":6.6,"white":3.18}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":6.6,"wcagAA":true,"wcagAAA":false},{"name":"White text","hex":"#FFFFFF","contrast":3.18,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FBC02D","hex":"#FBC02D","family":"orange","bestTextColor":"#000000","contrastBlack":12.68,"contrastWhite":1.66,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#2DCEFB","hex":"#2DCEFB","family":"cyan","bestTextColor":"#000000","contrastBlack":11.33,"contrastWhite":1.85,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FDA187","hex":"#FDA187","family":"red","bestTextColor":"#000000","contrastBlack":10.62,"contrastWhite":1.98,"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 red","vibrant","vibrant red","Neon Orange adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","high-attention visual states"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/fb5a2d.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/cinnabar.json"]}

Harmonies

{"complementary":"#2DCEFB","analogous":["#FB2D67","#FBC02D"],"triadic":["#2DFB5A","#5A2DFB"],"tetradic":["#67FB2D","#2DCEFB","#C02DFB"],"splitComplementary":["#2DFBC0","#2D67FB"],"monochromatic":["#FDA187","#FB5A2D","#C82F04"]}

Variants

{"light":"#FDA187","dark":"#C82F04","saturated":"#FF5729","desaturated":"#E36745","pastel":"#F7C0B1","neon":"#FF7752"}

Nearest named colors

[{"slug":"neon-orange","name":"Neon Orange","hex":"#FF5F1F","distance":15.394804318340652},{"slug":"fire-opal","name":"Fire Opal","hex":"#E95C20","distance":22.293496809607955},{"slug":"cinnabar","name":"Cinnabar","hex":"#E44D2E","distance":26.43860813280457},{"slug":"tomato","name":"Tomato","hex":"#FF6347","distance":27.80287754891569},{"slug":"pumpkin","name":"Pumpkin","hex":"#FF7518","distance":34.438350715445125}]

HEX meaning and use

About #FB5A2D

#FB5A2D is classified as a warm red value with vibrant visual character. #FB5A2D is visually closest to Neon Orange, a named orange color with HEX #FF5F1F.

The RGB channels are 251, 90, and 45, with red carrying the strongest channel weight. In HSL, the hue is 13deg 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 0.2801, 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 text6.6:1AA Pass

White text3.18:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: none in seed set.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FB5A2D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000006.6:1 · AA

White text#FFFFFF3.18:1 · Fail

Accessible Alternatives

#FBC02D#000000 text · best 12.68:1#FBC02D

#2DCEFB#000000 text · best 11.33:1#2DCEFB

#FDA187#000000 text · best 10.62:1#FDA187

Pumpkin#000000 text · best 7.81:1#FF7518

Tomato#000000 text · best 7.13:1#FF6347

Generated Palette

#FB5A2D#FB5A2D

#2DCEFB#2DCEFB

#FB2D67#FB2D67

#FBC02D#FBC02D

#FDA187#FDA187

#C82F04#C82F04

Color Harmonies

#2DCEFB#2DCEFB

#FB2D67#FB2D67

#FBC02D#FBC02D

#2DFB5A#2DFB5A

#5A2DFB#5A2DFB

Variants

#FDA187#FDA187

#C82F04#C82F04

#FF5729#FF5729

#E36745#E36745

#F7C0B1#F7C0B1

#FF7752#FF7752

Nearest Named Colors

Neon Orange#FF5F1F

Fire Opal#E95C20

Cinnabar#E44D2E

Tomato#FF6347

Pumpkin#FF7518

#FB5A2D

CSS

Machine-Readable HEX Data (JSON)

About #FB5A2D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides