HEX atlas value

#EFF3C4

#EFF3C4 is a warm yellow HEX color close to Canvas. According to Colors Encyclopedia, it converts to RGB 239, 243, 196, HSL 65, 66%, 86%, has luminance 0.8644, and belongs to the light group.

yellow warm light

#EFF3C4 Sample readable text

HEX #EFF3C4

RGB rgb(239, 243, 196)

HSL hsl(65 66% 86%)

CMYK cmyk(2, 0, 19, 5)

Luminance 0.8644

Contrast Black 18.29:1White 1.15:1

CSS

--color-eff3c4: #EFF3C4;
.background-eff3c4 { background-color: #EFF3C4; }
.text-eff3c4 { color: #EFF3C4; }

Luminance0.8644

Black text18.29:1AA Pass

White text1.15:1AA 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":"#EFF3C4","rgb":[239,243,196],"hsl":[65,66,86],"cmyk":[2,0,19,5],"luminance":0.8644,"contrast":{"black":18.29,"white":1.15}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":18.29,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.15,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"White","hex":"#FFFFFF","family":"gray","bestTextColor":"#000000","contrastBlack":21,"contrastWhite":1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Light Goldenrod Yellow","hex":"#FAFAD2","family":"yellow","bestTextColor":"#000000","contrastBlack":19.67,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F5FBBC","hex":"#F5FBBC","family":"yellow","bestTextColor":"#000000","contrastBlack":19.41,"contrastWhite":1.08,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Canvas","hex":"#F4EBD0","family":"yellow","bestTextColor":"#000000","contrastBlack":17.64,"contrastWhite":1.19,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#D7F3C4","hex":"#D7F3C4","family":"green","bestTextColor":"#000000","contrastBlack":17.51,"contrastWhite":1.2,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","light","light yellow","Canvas adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","light surfaces","highlight and warning systems"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/eff3c4.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/canvas.json","https://www.colorsencyclopedia.com/api/colors/vellum.json","https://www.colorsencyclopedia.com/api/colors/parchment.json"]}

Harmonies

{"complementary":"#C8C4F3","analogous":["#F3DFC4","#D7F3C4"],"triadic":["#C4EFF3","#F3C4EF"],"tetradic":["#C4F3DF","#C8C4F3","#F3C4D7"],"splitComplementary":["#C4D7F3","#DFC4F3"],"monochromatic":["#FFFFFF","#EFF3C4","#DAE378"]}

Variants

{"light":"#FFFFFF","dark":"#DAE378","saturated":"#F5FBBC","desaturated":"#E8EBCC","pastel":"#FFFFFF","neon":"#FCFFE0"}

Nearest named colors

[{"slug":"canvas","name":"Canvas","hex":"#F4EBD0","distance":15.264337522473747},{"slug":"vellum","name":"Vellum","hex":"#EFE3C8","distance":16.492422502470642},{"slug":"parchment","name":"Parchment","hex":"#F1E9D2","distance":17.320508075688775},{"slug":"champagne","name":"Champagne","hex":"#F7E7CE","distance":17.549928774784245},{"slug":"light-goldenrod-yellow","name":"Light Goldenrod Yellow","hex":"#FAFAD2","distance":19.131126469708992}]

HEX meaning and use

About #EFF3C4

#EFF3C4 is classified as a warm yellow value with light visual character. #EFF3C4 is visually closest to Canvas, a named yellow color with HEX #F4EBD0.

The RGB channels are 239, 243, and 196, with green carrying the strongest channel weight. In HSL, the hue is 65deg with 66% saturation and 86% lightness, so this page treats it as a moderate-saturation, light 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 light surfaces. Its luminance is 0.8644, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 15.26, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text18.29:1AA Pass

White text1.15:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EFF3C4 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000018.29:1 · AAA

White text#FFFFFF1.15:1 · Fail

Accessible Alternatives

White#000000 text · best 21:1#FFFFFF

Light Goldenrod Yellow#000000 text · best 19.67:1#FAFAD2

#F5FBBC#000000 text · best 19.41:1#F5FBBC

Canvas#000000 text · best 17.64:1#F4EBD0

#D7F3C4#000000 text · best 17.51:1#D7F3C4

Generated Palette

#EFF3C4#EFF3C4

#C8C4F3#C8C4F3

#F3DFC4#F3DFC4

#D7F3C4#D7F3C4

White#FFFFFF

#DAE378#DAE378

Color Harmonies

#C8C4F3#C8C4F3

#F3DFC4#F3DFC4

#D7F3C4#D7F3C4

#C4EFF3#C4EFF3

#F3C4EF#F3C4EF

Variants

White#FFFFFF

#DAE378#DAE378

#F5FBBC#F5FBBC

#E8EBCC#E8EBCC

White#FFFFFF

#FCFFE0#FCFFE0

Nearest Named Colors

Canvas#F4EBD0

Vellum#EFE3C8

Parchment#F1E9D2

Champagne#F7E7CE

Light Goldenrod Yellow#FAFAD2

#EFF3C4

CSS

Machine-Readable HEX Data (JSON)

About #EFF3C4

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides