HEX atlas value

#E78E40

#E78E40 is a warm orange HEX color close to Butterscotch. According to Colors Encyclopedia, it converts to RGB 231, 142, 64, HSL 28, 78%, 58%, has luminance 0.3671, and belongs to the vibrant group.

orange warm vibrant

#E78E40 Sample readable text

HEX #E78E40

RGB rgb(231, 142, 64)

HSL hsl(28 78% 58%)

CMYK cmyk(0, 39, 72, 9)

Luminance 0.3671

Contrast Black 8.34:1White 2.52:1

CSS

--color-e78e40: #E78E40;
.background-e78e40 { background-color: #E78E40; }
.text-e78e40 { color: #E78E40; }

Luminance0.3671

Black text8.34:1AA Pass

White text2.52:1AA 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":"#E78E40","rgb":[231,142,64],"hsl":[28,78,58],"cmyk":[0,39,72,9],"luminance":0.3671,"contrast":{"black":8.34,"white":2.52}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":8.34,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":2.52,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#E7E240","hex":"#E7E240","family":"yellow","bestTextColor":"#000000","contrastBlack":15.35,"contrastWhite":1.37,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F2BF92","hex":"#F2BF92","family":"orange","bestTextColor":"#000000","contrastBlack":12.64,"contrastWhite":1.66,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FF8D29","hex":"#FF8D29","family":"orange","bestTextColor":"#000000","contrastBlack":9.09,"contrastWhite":2.31,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Butterscotch","hex":"#E3963E","family":"orange","bestTextColor":"#000000","contrastBlack":8.7,"contrastWhite":2.41,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Cadmium Orange","hex":"#ED872D","family":"orange","bestTextColor":"#000000","contrastBlack":8.1,"contrastWhite":2.59,"wcagAA":["#000000","#1A1A1A"],"wcagAAA":["#000000"]}]

AI context

{"semanticGroups":["warm orange","vibrant","vibrant orange","Butterscotch adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/e78e40.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/butterscotch.json","https://www.colorsencyclopedia.com/api/colors/cadmium-orange.json","https://www.colorsencyclopedia.com/api/colors/peru.json"]}

Harmonies

{"complementary":"#4099E7","analogous":["#E74046","#E7E240"],"triadic":["#40E78E","#8E40E7"],"tetradic":["#46E740","#4099E7","#E240E7"],"splitComplementary":["#40E7E2","#4046E7"],"monochromatic":["#F2BF92","#E78E40","#B66116"]}

Variants

{"light":"#F2BF92","dark":"#B66116","saturated":"#FF8D29","desaturated":"#D09058","pastel":"#EFD2B8","neon":"#FFA352"}

Nearest named colors

[{"slug":"butterscotch","name":"Butterscotch","hex":"#E3963E","distance":9.16515138991168},{"slug":"cadmium-orange","name":"Cadmium Orange","hex":"#ED872D","distance":21.118712081942874},{"slug":"peru","name":"Peru","hex":"#CD853F","distance":27.53179979587241},{"slug":"raw-sienna","name":"Raw Sienna","hex":"#D68A59","distance":30.495901363953813},{"slug":"burnt-sienna","name":"Burnt Sienna","hex":"#E97451","distance":31.12876483254676}]

HEX meaning and use

About #E78E40

#E78E40 is classified as a warm orange value with vibrant visual character. #E78E40 is visually closest to Butterscotch, a named orange color with HEX #E3963E.

The RGB channels are 231, 142, and 64, with red carrying the strongest channel weight. In HSL, the hue is 28deg with 78% 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 0.3671, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 9.17, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text8.34:1AA Pass

White text2.52:1AA Fail

AA text options: #000000, #1A1A1A.

AAA text options: #000000.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E78E40 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#0000008.34:1 · AAA

White text#FFFFFF2.52:1 · Fail

Accessible Alternatives

#E7E240#000000 text · best 15.35:1#E7E240

#F2BF92#000000 text · best 12.64:1#F2BF92

#FF8D29#000000 text · best 9.09:1#FF8D29

Butterscotch#000000 text · best 8.7:1#E3963E

Cadmium Orange#000000 text · best 8.1:1#ED872D

Generated Palette

#E78E40#E78E40

#4099E7#4099E7

#E74046#E74046

#E7E240#E7E240

#F2BF92#F2BF92

#B66116#B66116

Color Harmonies

#4099E7#4099E7

#E74046#E74046

#E7E240#E7E240

#40E78E#40E78E

#8E40E7#8E40E7

Variants

#F2BF92#F2BF92

#B66116#B66116

#FF8D29#FF8D29

#D09058#D09058

#EFD2B8#EFD2B8

#FFA352#FFA352

Nearest Named Colors

Butterscotch#E3963E

Cadmium Orange#ED872D

Peru#CD853F

Raw Sienna#D68A59

Burnt Sienna#E97451

#E78E40

CSS

Machine-Readable HEX Data (JSON)

About #E78E40

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides