HEX atlas value

#E7B540

#E7B540 is a warm orange HEX color close to Buttercup. According to Colors Encyclopedia, it converts to RGB 231, 181, 64, HSL 42, 78%, 58%, has luminance 0.5041, and belongs to the vibrant group.

orange warm vibrant

#E7B540 Sample readable text

HEX #E7B540

RGB rgb(231, 181, 64)

HSL hsl(42 78% 58%)

CMYK cmyk(0, 22, 72, 9)

Luminance 0.5041

Contrast Black 11.08:1White 1.89:1

CSS

--color-e7b540: #E7B540;
.background-e7b540 { background-color: #E7B540; }
.text-e7b540 { color: #E7B540; }

Luminance0.5041

Black text11.08:1AA Pass

White text1.89:1AA 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":"#E7B540","rgb":[231,181,64],"hsl":[42,78,58],"cmyk":[0,22,72,9],"luminance":0.5041,"contrast":{"black":11.08,"white":1.89}}

WCAG

{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":11.08,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.89,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#C6E740","hex":"#C6E740","family":"green","bestTextColor":"#000000","contrastBlack":14.91,"contrastWhite":1.41,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F2D592","hex":"#F2D592","family":"orange","bestTextColor":"#000000","contrastBlack":14.71,"contrastWhite":1.43,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Saffron","hex":"#F4C430","family":"yellow","bestTextColor":"#000000","contrastBlack":12.79,"contrastWhite":1.64,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FFBF29","hex":"#FFBF29","family":"orange","bestTextColor":"#000000","contrastBlack":12.74,"contrastWhite":1.65,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Buttercup","hex":"#F3C13A","family":"orange","bestTextColor":"#000000","contrastBlack":12.5,"contrastWhite":1.68,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["warm orange","vibrant","vibrant orange","Buttercup adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/e7b540.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/buttercup.json","https://www.colorsencyclopedia.com/api/colors/old-gold.json","https://www.colorsencyclopedia.com/api/colors/saffron.json"]}

Harmonies

{"complementary":"#4072E7","analogous":["#E76240","#C6E740"],"triadic":["#40E7B5","#B540E7"],"tetradic":["#40E762","#4072E7","#E740C6"],"splitComplementary":["#40C6E7","#6240E7"],"monochromatic":["#F2D592","#E7B540","#B68616"]}

Variants

{"light":"#F2D592","dark":"#B68616","saturated":"#FFBF29","desaturated":"#D0AC58","pastel":"#EFDFB8","neon":"#FFCB52"}

Nearest named colors

[{"slug":"buttercup","name":"Buttercup","hex":"#F3C13A","distance":18},{"slug":"old-gold","name":"Old Gold","hex":"#CFB53B","distance":24.515301344262525},{"slug":"saffron","name":"Saffron","hex":"#F4C430","distance":25.495097567963924},{"slug":"butterscotch","name":"Butterscotch","hex":"#E3963E","distance":31.32091952673165},{"slug":"marigold","name":"Marigold","hex":"#EAA221","distance":36.4828726939094}]

HEX meaning and use

About #E7B540

#E7B540 is classified as a warm orange value with vibrant visual character. #E7B540 is visually closest to Buttercup, a named orange color with HEX #F3C13A.

The RGB channels are 231, 181, and 64, with red carrying the strongest channel weight. In HSL, the hue is 42deg 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 0.5041, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text11.08:1AA Pass

White text1.89:1AA Fail

AA text options: #000000, #1A1A1A, #36454F.

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E7B540 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000011.08:1 · AAA

White text#FFFFFF1.89:1 · Fail

Accessible Alternatives

#C6E740#000000 text · best 14.91:1#C6E740

#F2D592#000000 text · best 14.71:1#F2D592

Saffron#000000 text · best 12.79:1#F4C430

#FFBF29#000000 text · best 12.74:1#FFBF29

Buttercup#000000 text · best 12.5:1#F3C13A

Generated Palette

#E7B540#E7B540

#4072E7#4072E7

#E76240#E76240

#C6E740#C6E740

#F2D592#F2D592

#B68616#B68616

Color Harmonies

#4072E7#4072E7

#E76240#E76240

#C6E740#C6E740

#40E7B5#40E7B5

#B540E7#B540E7

Variants

#F2D592#F2D592

#B68616#B68616

#FFBF29#FFBF29

#D0AC58#D0AC58

#EFDFB8#EFDFB8

#FFCB52#FFCB52

Nearest Named Colors

Buttercup#F3C13A

Old Gold#CFB53B

Saffron#F4C430

Butterscotch#E3963E

Marigold#EAA221

#E7B540

CSS

Machine-Readable HEX Data (JSON)

About #E7B540

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides