HEX atlas value

#E3C21C

#E3C21C is a warm yellow HEX color nearest Citrine. RGB 227, 194, 28, HSL 50° 78% 50%, luminance 0.55; view contrast and conversions.

yellow warm vibrant

#E3C21C Sample readable text

HEX #E3C21C

RGB rgb(227, 194, 28)

HSL hsl(50 78% 50%)

CMYK cmyk(0, 15, 88, 11)

Luminance 0.55

Contrast Black 12:1White 1.75:1

CSS

--color-e3c21c: #E3C21C;
.background-e3c21c { background-color: #E3C21C; }
.text-e3c21c { color: #E3C21C; }

HEX meaning and use

About #E3C21C

#E3C21C is classified as a warm yellow value with vibrant visual character. #E3C21C is visually closest to Citrine, a named yellow color with HEX #E4D00A.

The RGB channels are 227, 194, and 28, with red carrying the strongest channel weight. In HSL, the hue is 50deg with 78% saturation and 50% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.55, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 22.83, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text12:1AA Pass

White text1.75:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E3C21C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000012:1 · AAA

White text#FFFFFF1.75:1 · Fail

Accessible Alternatives

#FFD500#FFD500 · #000000 text · best 14.77:1 #EDD86E#EDD86E · #000000 text · best 14.65:1 #A1E31C#A1E31C · #000000 text · best 13.52:1 Citrine#E4D00A · #000000 text · best 13.33:1 Sunflower#FFC512 · #000000 text · best 13.25:1

Generated Palette

#E3C21C#E3C21C

#1C3DE3#1C3DE3

#E35E1C#E35E1C

#A1E31C#A1E31C

#EDD86E#EDD86E

#917C12#917C12

Color Harmonies

#1C3DE3#1C3DE3

#E35E1C#E35E1C

#A1E31C#A1E31C

#1CE3C2#1CE3C2

#C21CE3#C21CE3

Variants

#EDD86E#EDD86E

#917C12#917C12

#FFD500#FFD500

#C7AF38#C7AF38

#E7DA97#E7DA97

#FFDB29#FFDB29

Nearest Named Colors

Citrine#E4D00A

Saffron#F4C430

Sunflower#FFC512

Goldenrod#DAA520

Industrial Yellow#F3C300

Luminance0.55

Black text12:1AA Pass

White text1.75:1AA 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":"#E3C21C","rgb":[227,194,28],"hsl":[50,78,50],"cmyk":[0,15,88,11],"luminance":0.55,"contrast":{"black":12,"white":1.75}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":12,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.75,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"#FFD500","hex":"#FFD500","family":"yellow","bestTextColor":"#000000","contrastBlack":14.77,"contrastWhite":1.42,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#EDD86E","hex":"#EDD86E","family":"yellow","bestTextColor":"#000000","contrastBlack":14.65,"contrastWhite":1.43,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"#A1E31C","hex":"#A1E31C","family":"green","bestTextColor":"#000000","contrastBlack":13.52,"contrastWhite":1.55,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Citrine","hex":"#E4D00A","family":"yellow","bestTextColor":"#000000","contrastBlack":13.33,"contrastWhite":1.58,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]},{"name":"Sunflower","hex":"#FFC512","family":"yellow","bestTextColor":"#000000","contrastBlack":13.25,"contrastWhite":1.59,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Citrine 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/e3c21c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/citrine.json","https://www.colorsencyclopedia.com/api/colors/saffron.json","https://www.colorsencyclopedia.com/api/colors/sunflower.json"]}

Harmonies

{"complementary":"#1C3DE3","analogous":["#E35E1C","#A1E31C"],"triadic":["#1CE3C2","#C21CE3"],"tetradic":["#1CE35E","#1C3DE3","#E31CA1"],"splitComplementary":["#1CA1E3","#5E1CE3"],"monochromatic":["#EDD86E","#E3C21C","#917C12"]}

Variants

{"light":"#EDD86E","dark":"#917C12","saturated":"#FFD500","desaturated":"#C7AF38","pastel":"#E7DA97","neon":"#FFDB29"}

Nearest named colors

[{"slug":"citrine","name":"Citrine","hex":"#E4D00A","distance":22.825424421026653},{"slug":"saffron","name":"Saffron","hex":"#F4C430","distance":26.324893162176366},{"slug":"sunflower","name":"Sunflower","hex":"#FFC512","distance":29.88310559496787},{"slug":"goldenrod","name":"Goldenrod","hex":"#DAA520","distance":30.62678566222711},{"slug":"industrial-yellow","name":"Industrial Yellow","hex":"#F3C300","distance":32.264531609803356}]

#E3C21C

CSS

About #E3C21C

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides