HEX atlas value

#EFBF4D

#EFBF4D is a warm orange HEX color close to Buttercup. According to Colors Encyclopedia, it converts to RGB 239, 191, 77, HSL 42, 84%, 62%, has luminance 0.5615, and belongs to the vibrant group.

orange warm vibrant

#EFBF4D Sample readable text

HEX #EFBF4D

RGB rgb(239, 191, 77)

HSL hsl(42 84% 62%)

CMYK cmyk(0, 20, 68, 6)

Luminance 0.5615

Contrast Black 12.23:1White 1.72:1

CSS

--color-efbf4d: #EFBF4D;
.background-efbf4d { background-color: #EFBF4D; }
.text-efbf4d { color: #EFBF4D; }

Luminance0.5615

Black text12.23:1AA Pass

White text1.72:1AA 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":"#EFBF4D","rgb":[239,191,77],"hsl":[42,84,62],"cmyk":[0,20,68,6],"luminance":0.5615,"contrast":{"black":12.23,"white":1.72}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":12.23,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.72,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#CFEF4D","hex":"#CFEF4D","family":"green","bestTextColor":"#000000","contrastBlack":16.11,"contrastWhite":1.3,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F7DDA1","hex":"#F7DDA1","family":"orange","bestTextColor":"#000000","contrastBlack":15.81,"contrastWhite":1.33,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Mustard","hex":"#FFDB58","family":"yellow","bestTextColor":"#000000","contrastBlack":15.53,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Naples Yellow","hex":"#FADA5E","family":"yellow","bestTextColor":"#000000","contrastBlack":15.25,"contrastWhite":1.38,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFC53D","hex":"#FFC53D","family":"orange","bestTextColor":"#000000","contrastBlack":13.31,"contrastWhite":1.58,"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/efbf4d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/buttercup.json","https://www.colorsencyclopedia.com/api/colors/saffron.json","https://www.colorsencyclopedia.com/api/colors/sandy-brown.json"]}

Harmonies

{"complementary":"#4D7EEF","analogous":["#EF6D4D","#CFEF4D"],"triadic":["#4DEFBF","#BF4DEF"],"tetradic":["#4DEF6D","#4D7EEF","#EF4DCF"],"splitComplementary":["#4DCFEF","#6D4DEF"],"monochromatic":["#F7DDA1","#EFBF4D","#CE9612"]}

Variants

{"light":"#F7DDA1","dark":"#CE9612","saturated":"#FFC53D","desaturated":"#DAB662","pastel":"#F5E7C7","neon":"#FFD166"}

Nearest named colors

[{"slug":"buttercup","name":"Buttercup","hex":"#F3C13A","distance":19.519221295943137},{"slug":"saffron","name":"Saffron","hex":"#F4C430","distance":29.8496231131986},{"slug":"sandy-brown","name":"Sandy Brown","hex":"#F4A460","distance":33.391615714128},{"slug":"naples-yellow","name":"Naples Yellow","hex":"#FADA5E","distance":33.74907406137241},{"slug":"mustard","name":"Mustard","hex":"#FFDB58","distance":34.07345007480164}]

HEX meaning and use

About #EFBF4D

#EFBF4D is classified as a warm orange value with vibrant visual character. #EFBF4D is visually closest to Buttercup, a named orange color with HEX #F3C13A.

The RGB channels are 239, 191, and 77, with red carrying the strongest channel weight. In HSL, the hue is 42deg with 84% saturation and 62% 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 0.5615, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.52, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12.23:1AA Pass

White text1.72:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EFBF4D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012.23:1 · AAA

White text#FFFFFF1.72:1 · Fail

Accessible Alternatives

#CFEF4D#000000 text · best 16.11:1#CFEF4D

#F7DDA1#000000 text · best 15.81:1#F7DDA1

Mustard#000000 text · best 15.53:1#FFDB58

Naples Yellow#000000 text · best 15.25:1#FADA5E

#FFC53D#000000 text · best 13.31:1#FFC53D

Generated Palette

#EFBF4D#EFBF4D

#4D7EEF#4D7EEF

#EF6D4D#EF6D4D

#CFEF4D#CFEF4D

#F7DDA1#F7DDA1

#CE9612#CE9612

Color Harmonies

#4D7EEF#4D7EEF

#EF6D4D#EF6D4D

#CFEF4D#CFEF4D

#4DEFBF#4DEFBF

#BF4DEF#BF4DEF

Variants

#F7DDA1#F7DDA1

#CE9612#CE9612

#FFC53D#FFC53D

#DAB662#DAB662

#F5E7C7#F5E7C7

#FFD166#FFD166

Nearest Named Colors

Buttercup#F3C13A

Saffron#F4C430

Sandy Brown#F4A460

Naples Yellow#FADA5E

Mustard#FFDB58

#EFBF4D

CSS

Machine-Readable HEX Data (JSON)

About #EFBF4D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides