HEX atlas value

#EFD24D

#EFD24D is a warm yellow HEX color close to Mustard. According to Colors Encyclopedia, it converts to RGB 239, 210, 77, HSL 49, 84%, 62%, has luminance 0.6498, and belongs to the vibrant group.

yellow warm vibrant

#EFD24D Sample readable text

HEX #EFD24D

RGB rgb(239, 210, 77)

HSL hsl(49 84% 62%)

CMYK cmyk(0, 12, 68, 6)

Luminance 0.6498

Contrast Black 14:1White 1.5:1

CSS

--color-efd24d: #EFD24D;
.background-efd24d { background-color: #EFD24D; }
.text-efd24d { color: #EFD24D; }

Luminance0.6498

Black text14:1AA Pass

White text1.5:1AA 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":"#EFD24D","rgb":[239,210,77],"hsl":[49,84,62],"cmyk":[0,12,68,6],"luminance":0.6498,"contrast":{"black":14,"white":1.5}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":14,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.5,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#F7E7A1","hex":"#F7E7A1","family":"yellow","bestTextColor":"#000000","contrastBlack":16.9,"contrastWhite":1.24,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#BCEF4D","hex":"#BCEF4D","family":"green","bestTextColor":"#000000","contrastBlack":15.59,"contrastWhite":1.35,"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":"Dandelion","hex":"#F0E130","family":"yellow","bestTextColor":"#000000","contrastBlack":15.52,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFDB3D","hex":"#FFDB3D","family":"yellow","bestTextColor":"#000000","contrastBlack":15.45,"contrastWhite":1.36,"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/efd24d.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":"#4D6BEF","analogous":["#EF804D","#BCEF4D"],"triadic":["#4DEFD2","#D24DEF"],"tetradic":["#4DEF80","#4D6BEF","#EF4DBC"],"splitComplementary":["#4DBCEF","#804DEF"],"monochromatic":["#F7E7A1","#EFD24D","#CEAC12"]}

Variants

{"light":"#F7E7A1","dark":"#CEAC12","saturated":"#FFDB3D","desaturated":"#DAC462","pastel":"#F5ECC7","neon":"#FFE366"}

Nearest named colors

[{"slug":"mustard","name":"Mustard","hex":"#FFDB58","distance":21.400934559032695},{"slug":"naples-yellow","name":"Naples Yellow","hex":"#FADA5E","distance":21.77154105707724},{"slug":"buttercup","name":"Buttercup","hex":"#F3C13A","distance":25.80697580112788},{"slug":"saffron","name":"Saffron","hex":"#F4C430","distance":32.58834147360065},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":32.66496594212215}]

HEX meaning and use

About #EFD24D

#EFD24D is classified as a warm yellow value with vibrant visual character. #EFD24D is visually closest to Mustard, a named yellow color with HEX #FFDB58.

The RGB channels are 239, 210, and 77, with red carrying the strongest channel weight. In HSL, the hue is 49deg 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 0.6498, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 21.40, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text14:1AA Pass

White text1.5:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EFD24D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000014:1 · AAA

White text#FFFFFF1.5:1 · Fail

Accessible Alternatives

#F7E7A1#000000 text · best 16.9:1#F7E7A1

#BCEF4D#000000 text · best 15.59:1#BCEF4D

Mustard#000000 text · best 15.53:1#FFDB58

Dandelion#000000 text · best 15.52:1#F0E130

#FFDB3D#000000 text · best 15.45:1#FFDB3D

Generated Palette

#EFD24D#EFD24D

#4D6BEF#4D6BEF

#EF804D#EF804D

#BCEF4D#BCEF4D

#F7E7A1#F7E7A1

#CEAC12#CEAC12

Color Harmonies

#4D6BEF#4D6BEF

#EF804D#EF804D

#BCEF4D#BCEF4D

#4DEFD2#4DEFD2

#D24DEF#D24DEF

Variants

#F7E7A1#F7E7A1

#CEAC12#CEAC12

#FFDB3D#FFDB3D

#DAC462#DAC462

#F5ECC7#F5ECC7

#FFE366#FFE366

Nearest Named Colors

Mustard#FFDB58

Naples Yellow#FADA5E

Buttercup#F3C13A

Saffron#F4C430

Dandelion#F0E130

#EFD24D

CSS

Machine-Readable HEX Data (JSON)

About #EFD24D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides