HEX atlas value

#EFD44D

#EFD44D is a warm yellow HEX color close to Mustard. According to Colors Encyclopedia, it converts to RGB 239, 212, 77, HSL 50, 84%, 62%, has luminance 0.6597, and belongs to the vibrant group.

yellow warm vibrant

#EFD44D Sample readable text

HEX #EFD44D

RGB rgb(239, 212, 77)

HSL hsl(50 84% 62%)

CMYK cmyk(0, 11, 68, 6)

Luminance 0.6597

Contrast Black 14.19:1White 1.48:1

CSS

--color-efd44d: #EFD44D;
.background-efd44d { background-color: #EFD44D; }
.text-efd44d { color: #EFD44D; }

Luminance0.6597

Black text14.19:1AA Pass

White text1.48:1AA 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":"#EFD44D","rgb":[239,212,77],"hsl":[50,84,62],"cmyk":[0,11,68,6],"luminance":0.6597,"contrast":{"black":14.19,"white":1.48}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":14.19,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.48,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Maize","hex":"#FBEC5D","family":"yellow","bestTextColor":"#000000","contrastBlack":17.26,"contrastWhite":1.22,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F7E9A1","hex":"#F7E9A1","family":"yellow","bestTextColor":"#000000","contrastBlack":17.13,"contrastWhite":1.23,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFDF3D","hex":"#FFDF3D","family":"yellow","bestTextColor":"#000000","contrastBlack":15.87,"contrastWhite":1.32,"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":"#B9EF4D","hex":"#B9EF4D","family":"green","bestTextColor":"#000000","contrastBlack":15.52,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Mustard adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","high-energy accents","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/efd44d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/mustard.json","https://www.colorsencyclopedia.com/api/colors/naples-yellow.json","https://www.colorsencyclopedia.com/api/colors/buttercup.json"]}

Harmonies

{"complementary":"#4D68EF","analogous":["#EF834D","#B9EF4D"],"triadic":["#4DEFD4","#D44DEF"],"tetradic":["#4DEF83","#4D68EF","#EF4DB9"],"splitComplementary":["#4DB9EF","#834DEF"],"monochromatic":["#F7E9A1","#EFD44D","#CEAF12"]}

Variants

{"light":"#F7E9A1","dark":"#CEAF12","saturated":"#FFDF3D","desaturated":"#DAC662","pastel":"#F5EDC7","neon":"#FFE666"}

Nearest named colors

[{"slug":"mustard","name":"Mustard","hex":"#FFDB58","distance":20.639767440550294},{"slug":"naples-yellow","name":"Naples Yellow","hex":"#FADA5E","distance":21.118712081942874},{"slug":"buttercup","name":"Buttercup","hex":"#F3C13A","distance":27.16615541441225},{"slug":"maize","name":"Maize","hex":"#FBEC5D","distance":31.240998703626616},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":31.796226191169293}]

HEX meaning and use

About #EFD44D

#EFD44D is classified as a warm yellow value with vibrant visual character. #EFD44D is visually closest to Mustard, a named yellow color with HEX #FFDB58.

The RGB channels are 239, 212, and 77, with red carrying the strongest channel weight. In HSL, the hue is 50deg 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 0.6597, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 20.64, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text14.19:1AA Pass

White text1.48:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EFD44D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000014.19:1 · AAA

White text#FFFFFF1.48:1 · Fail

Accessible Alternatives

Maize#000000 text · best 17.26:1#FBEC5D

#F7E9A1#000000 text · best 17.13:1#F7E9A1

#FFDF3D#000000 text · best 15.87:1#FFDF3D

Mustard#000000 text · best 15.53:1#FFDB58

#B9EF4D#000000 text · best 15.52:1#B9EF4D

Generated Palette

#EFD44D#EFD44D

#4D68EF#4D68EF

#EF834D#EF834D

#B9EF4D#B9EF4D

#F7E9A1#F7E9A1

#CEAF12#CEAF12

Color Harmonies

#4D68EF#4D68EF

#EF834D#EF834D

#B9EF4D#B9EF4D

#4DEFD4#4DEFD4

#D44DEF#D44DEF

Variants

#F7E9A1#F7E9A1

#CEAF12#CEAF12

#FFDF3D#FFDF3D

#DAC662#DAC662

#F5EDC7#F5EDC7

#FFE666#FFE666

Nearest Named Colors

Mustard#FFDB58

Naples Yellow#FADA5E

Buttercup#F3C13A

Maize#FBEC5D

Dandelion#F0E130

#EFD44D

CSS

Machine-Readable HEX Data (JSON)

About #EFD44D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides