HEX atlas value

#E7B340

#E7B340 is a warm orange HEX color close to Buttercup. According to Colors Encyclopedia, it converts to RGB 231, 179, 64, HSL 41, 78%, 58%, has luminance 0.496, and belongs to the vibrant group.

#E7B340 Sample readable text
HEX #E7B340
RGB rgb(231, 179, 64)
HSL hsl(41 78% 58%)
CMYK cmyk(0, 23, 72, 9)
Luminance 0.496
Contrast Black 10.92:1White 1.92:1

CSS

--color-e7b340: #E7B340;
.background-e7b340 { background-color: #E7B340; }
.text-e7b340 { color: #E7B340; }

Machine-readable data

Machine-Readable HEX Data (JSON)

Structured HEX color data for conversion, WCAG checks, CSS generation, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.496
Black text10.92:1AA Pass
White text1.92:1AA 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
Download JSON Open API
Structured sections
Color systems
{"hex":"#E7B340","rgb":[231,179,64],"hsl":[41,78,58],"cmyk":[0,23,72,9],"luminance":0.496,"contrast":{"black":10.92,"white":1.92}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":10.92,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.92,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#C9E740","hex":"#C9E740","family":"green","bestTextColor":"#000000","contrastBlack":14.99,"contrastWhite":1.4,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F2D392","hex":"#F2D392","family":"orange","bestTextColor":"#000000","contrastBlack":14.51,"contrastWhite":1.45,"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":"Buttercup","hex":"#F3C13A","family":"orange","bestTextColor":"#000000","contrastBlack":12.5,"contrastWhite":1.68,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#FFBB29","hex":"#FFBB29","family":"orange","bestTextColor":"#000000","contrastBlack":12.39,"contrastWhite":1.69,"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/e7b340.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":"#4075E7","analogous":["#E75F40","#C9E740"],"triadic":["#40E7B3","#B340E7"],"tetradic":["#40E75F","#4075E7","#E740C9"],"splitComplementary":["#40C9E7","#5F40E7"],"monochromatic":["#F2D392","#E7B340","#B68316"]}
Variants
{"light":"#F2D392","dark":"#B68316","saturated":"#FFBB29","desaturated":"#D0AA58","pastel":"#EFDEB8","neon":"#FFC852"}
Nearest named colors
[{"slug":"buttercup","name":"Buttercup","hex":"#F3C13A","distance":19.390719429665317},{"slug":"old-gold","name":"Old Gold","hex":"#CFB53B","distance":24.596747752497688},{"slug":"saffron","name":"Saffron","hex":"#F4C430","distance":26.720778431774775},{"slug":"butterscotch","name":"Butterscotch","hex":"#E3963E","distance":29.34280150224242},{"slug":"marigold","name":"Marigold","hex":"#EAA221","distance":35.482389998420345}]

HEX meaning and use

About #E7B340

#E7B340 is classified as a warm orange value with vibrant visual character. #E7B340 is visually closest to Buttercup, a named orange color with HEX #F3C13A.

The RGB channels are 231, 179, and 64, with red carrying the strongest channel weight. In HSL, the hue is 41deg 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 0.496, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.39, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text10.92:1AA Pass
White text1.92:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E7B340 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000010.92:1 · AAA
White text#FFFFFF1.92:1 · Fail

Accessible Alternatives

#C9E740#000000 text · best 14.99:1#C9E740
#F2D392#000000 text · best 14.51:1#F2D392
Saffron#000000 text · best 12.79:1#F4C430
Buttercup#000000 text · best 12.5:1#F3C13A
#FFBB29#000000 text · best 12.39:1#FFBB29

Generated Palette

#E7B340#E7B340
#4075E7#4075E7
#E75F40#E75F40
#C9E740#C9E740
#F2D392#F2D392
#B68316#B68316

Color Harmonies

#4075E7#4075E7
#E75F40#E75F40
#C9E740#C9E740
#40E7B3#40E7B3
#B340E7#B340E7

Variants

#F2D392#F2D392
#B68316#B68316
#FFBB29#FFBB29
#D0AA58#D0AA58
#EFDEB8#EFDEB8
#FFC852#FFC852

Nearest Named Colors