HEX atlas value

#C4D813

#C4D813 is a warm yellow HEX color close to Peridot. According to Colors Encyclopedia, it converts to RGB 196, 216, 19, HSL 66, 84%, 46%, has luminance 0.6089, and belongs to the vibrant group.

#C4D813 Sample readable text
HEX #C4D813
RGB rgb(196, 216, 19)
HSL hsl(66 84% 46%)
CMYK cmyk(9, 0, 91, 15)
Luminance 0.6089
Contrast Black 13.18:1White 1.59:1

CSS

--color-c4d813: #C4D813;
.background-c4d813 { background-color: #C4D813; }
.text-c4d813 { color: #C4D813; }

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
Luminance0.6089
Black text13.18:1AA 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":"#C4D813","rgb":[196,216,19],"hsl":[66,84,46],"cmyk":[9,0,91,15],"luminance":0.6089,"contrast":{"black":13.18,"white":1.59}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":13.18,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.59,"wcagAA":false,"wcagAAA":false}]
Accessible alternatives
[{"name":"Electric Lime","hex":"#CCFF00","family":"green","bestTextColor":"#000000","contrastBlack":17.87,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#E1F056","hex":"#E1F056","family":"yellow","bestTextColor":"#000000","contrastBlack":16.8,"contrastWhite":1.25,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#D3EB00","hex":"#D3EB00","family":"yellow","bestTextColor":"#000000","contrastBlack":15.65,"contrastWhite":1.34,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Pear","hex":"#D1E231","family":"yellow","bestTextColor":"#000000","contrastBlack":14.63,"contrastWhite":1.44,"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","Peridot 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/c4d813.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/peridot.json","https://www.colorsencyclopedia.com/api/colors/acid-green.json","https://www.colorsencyclopedia.com/api/colors/citrine.json"]}
Harmonies
{"complementary":"#2613D8","analogous":["#D88913","#62D813"],"triadic":["#13C4D8","#D813C4"],"tetradic":["#13D889","#2613D8","#D81362"],"splitComplementary":["#1362D8","#8913D8"],"monochromatic":["#E1F056","#C4D813","#77830B"]}
Variants
{"light":"#E1F056","dark":"#77830B","saturated":"#D3EB00","desaturated":"#AFBE2D","pastel":"#DEE882","neon":"#E8FF14"}
Nearest named colors
[{"slug":"peridot","name":"Peridot","hex":"#B4C424","distance":30.740852297878796},{"slug":"acid-green","name":"Acid Green","hex":"#B0BF1A","distance":32.77193921634788},{"slug":"citrine","name":"Citrine","hex":"#E4D00A","distance":34.19064199455752},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":34.19064199455752},{"slug":"electric-lime","name":"Electric Lime","hex":"#CCFF00","distance":44.11349000022555}]

HEX meaning and use

About #C4D813

#C4D813 is classified as a warm yellow value with vibrant visual character. #C4D813 is visually closest to Peridot, a named yellow color with HEX #B4C424.

The RGB channels are 196, 216, and 19, with green carrying the strongest channel weight. In HSL, the hue is 66deg with 84% saturation and 46% 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 0.6089, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 30.74, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text13.18:1AA 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 #C4D813 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000013.18:1 · AAA
White text#FFFFFF1.59:1 · Fail

Accessible Alternatives

Electric Lime#000000 text · best 17.87:1#CCFF00
#E1F056#000000 text · best 16.8:1#E1F056
#D3EB00#000000 text · best 15.65:1#D3EB00
Pear#000000 text · best 14.63:1#D1E231
Citrine#000000 text · best 13.33:1#E4D00A

Generated Palette

#C4D813#C4D813
#2613D8#2613D8
#D88913#D88913
#62D813#62D813
#E1F056#E1F056
#77830B#77830B

Color Harmonies

#2613D8#2613D8
#D88913#D88913
#62D813#62D813
#13C4D8#13C4D8
#D813C4#D813C4

Variants

#E1F056#E1F056
#77830B#77830B
#D3EB00#D3EB00
#AFBE2D#AFBE2D
#DEE882#DEE882
#E8FF14#E8FF14

Nearest Named Colors