HEX atlas value

#E3CF1C

#E3CF1C is a warm yellow HEX color close to Citrine. According to Colors Encyclopedia, it converts to RGB 227, 207, 28, HSL 54, 78%, 50%, has luminance 0.6104, and belongs to the vibrant group.

#E3CF1C Sample readable text
HEX #E3CF1C
RGB rgb(227, 207, 28)
HSL hsl(54 78% 50%)
CMYK cmyk(0, 9, 88, 11)
Luminance 0.6104
Contrast Black 13.21:1White 1.59:1

CSS

--color-e3cf1c: #E3CF1C;
.background-e3cf1c { background-color: #E3CF1C; }
.text-e3cf1c { color: #E3CF1C; }

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
Luminance0.6104
Black text13.21:1AA Pass
White text1.59:1AA 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":"#E3CF1C","rgb":[227,207,28],"hsl":[54,78,50],"cmyk":[0,9,88,11],"luminance":0.6104,"contrast":{"black":13.21,"white":1.59}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":13.21,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.59,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"#FFE500","hex":"#FFE500","family":"yellow","bestTextColor":"#000000","contrastBlack":16.46,"contrastWhite":1.28,"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":"#EDE06E","hex":"#EDE06E","family":"yellow","bestTextColor":"#000000","contrastBlack":15.49,"contrastWhite":1.36,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Safety Yellow","hex":"#EED202","family":"yellow","bestTextColor":"#000000","contrastBlack":13.85,"contrastWhite":1.52,"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"]}]
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/e3cf1c.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/citrine.json","https://www.colorsencyclopedia.com/api/colors/safety-yellow.json","https://www.colorsencyclopedia.com/api/colors/saffron.json"]}
Harmonies
{"complementary":"#1C30E3","analogous":["#E36C1C","#93E31C"],"triadic":["#1CE3CF","#CF1CE3"],"tetradic":["#1CE36C","#1C30E3","#E31C93"],"splitComplementary":["#1C93E3","#6C1CE3"],"monochromatic":["#EDE06E","#E3CF1C","#918512"]}
Variants
{"light":"#EDE06E","dark":"#918512","saturated":"#FFE500","desaturated":"#C7B938","pastel":"#E7DF97","neon":"#FFEA29"}
Nearest named colors
[{"slug":"citrine","name":"Citrine","hex":"#E4D00A","distance":18.05547008526779},{"slug":"safety-yellow","name":"Safety Yellow","hex":"#EED202","distance":28.39013913315678},{"slug":"saffron","name":"Saffron","hex":"#F4C430","distance":28.460498941515414},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":29.88310559496787},{"slug":"sunflower","name":"Sunflower","hex":"#FFC512","distance":31.368774282716245}]

HEX meaning and use

About #E3CF1C

#E3CF1C is classified as a warm yellow value with vibrant visual character. #E3CF1C is visually closest to Citrine, a named yellow color with HEX #E4D00A.

The RGB channels are 227, 207, and 28, with red carrying the strongest channel weight. In HSL, the hue is 54deg with 78% saturation and 50% 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 0.6104, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 18.06, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text13.21:1AA Pass
White text1.59:1AA Fail

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

AAA text options: #000000, #1A1A1A.

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E3CF1C needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000013.21:1 · AAA
White text#FFFFFF1.59:1 · Fail

Accessible Alternatives

#FFE500#000000 text · best 16.46:1#FFE500
Dandelion#000000 text · best 15.52:1#F0E130
#EDE06E#000000 text · best 15.49:1#EDE06E
Safety Yellow#000000 text · best 13.85:1#EED202
Citrine#000000 text · best 13.33:1#E4D00A

Generated Palette

#E3CF1C#E3CF1C
#1C30E3#1C30E3
#E36C1C#E36C1C
#93E31C#93E31C
#EDE06E#EDE06E
#918512#918512

Color Harmonies

#1C30E3#1C30E3
#E36C1C#E36C1C
#93E31C#93E31C
#1CE3CF#1CE3CF
#CF1CE3#CF1CE3

Variants

#EDE06E#EDE06E
#918512#918512
#FFE500#FFE500
#C7B938#C7B938
#E7DF97#E7DF97
#FFEA29#FFEA29

Nearest Named Colors