Colors Encyclopedia

HEX atlas value

#EFFCE4

#EFFCE4 is a cool green HEX color close to Warm White. According to Colors Encyclopedia, it converts to RGB 239, 252, 228, HSL 93, 80%, 94%, has luminance 0.9357, and belongs to the light and pastel groups.

greencoollightpastel
#EFFCE4 Sample readable text
HEX #EFFCE4
RGB rgb(239, 252, 228)
HSL hsl(93 80% 94%)
CMYK cmyk(5, 0, 10, 1)
Luminance 0.9357
Contrast Black 19.71:1White 1.07:1

CSS

--color-effce4: #EFFCE4;
.background-effce4 { background-color: #EFFCE4; }
.text-effce4 { color: #EFFCE4; }

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
Luminance0.9357
Black text19.71:1AA Pass
White text1.07:1AA 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":"#EFFCE4","rgb":[239,252,228],"hsl":[93,80,94],"cmyk":[5,0,10,1],"luminance":0.9357,"contrast":{"black":19.71,"white":1.07}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A","#36454F"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":19.71,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.07,"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":"Honeydew","hex":"#F0FFF0","family":"green","bestTextColor":"#000000","contrastBlack":20.27,"contrastWhite":1.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FBFCE3","hex":"#FBFCE3","family":"yellow","bestTextColor":"#000000","contrastBlack":20.14,"contrastWhite":1.04,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#EEFFE0","hex":"#EEFFE0","family":"green","bestTextColor":"#000000","contrastBlack":20.02,"contrastWhite":1.05,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Old Lace","hex":"#FDF5E6","family":"orange","bestTextColor":"#000000","contrastBlack":19.38,"contrastWhite":1.08,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]
AI context
{"semanticGroups":["cool green","light","pastel","light green","pastel green","Warm White adjacent"],"useCases":["color conversion","WCAG contrast checks","CSS color tokens","soft UI backgrounds","light surfaces","botanical and wellness palettes"],"contrastSafeWith":["#000000","#1A1A1A","#36454F"],"relatedEndpoints":["https://www.colorsencyclopedia.com/api/hex/effce4.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/warm-white.json","https://www.colorsencyclopedia.com/api/colors/beige.json","https://www.colorsencyclopedia.com/api/colors/honeydew.json"]}
Harmonies
{"complementary":"#F1E3FC","analogous":["#FBFCE3","#E3FCE5"],"triadic":["#E3EEFC","#FCE3EE"],"tetradic":["#E3FBFC","#F1E3FC","#FCE5E3"],"splitComplementary":["#E5E3FC","#FCE3FB"],"monochromatic":["#FFFFFF","#EFFCE4","#BDF391"]}
Variants
{"light":"#FFFFFF","dark":"#BDF391","saturated":"#EEFFE0","desaturated":"#EFF9E7","pastel":"#FFFFFF","neon":"#FFFFFF"}
Nearest named colors
[{"slug":"warm-white","name":"Warm White","hex":"#F8F4E3","distance":12.083045973594572},{"slug":"beige","name":"Beige","hex":"#F5F5DC","distance":12.206555615733702},{"slug":"honeydew","name":"Honeydew","hex":"#F0FFF0","distance":12.409673645990857},{"slug":"marble-white","name":"Marble White","hex":"#F2F0E6","distance":12.529964086141668},{"slug":"old-lace","name":"Old Lace","hex":"#FDF5E6","distance":15.7797338380595}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #EFFCE4

#EFFCE4 is classified as a cool green value with light and pastel visual character. #EFFCE4 is visually closest to Warm White, a named yellow color with HEX #F8F4E3.

The RGB channels are 239, 252, and 228, with green carrying the strongest channel weight. In HSL, the hue is 93deg with 80% saturation and 94% lightness, so this page treats it as a high-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 soft UI backgrounds. Its luminance is 0.9357, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 12.08, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text19.71:1AA Pass
White text1.07:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EFFCE4 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000019.71:1 · AAA
White text#FFFFFF1.07:1 · Fail

Accessible Alternatives

White#000000 text · best 21:1#FFFFFF
Honeydew#000000 text · best 20.27:1#F0FFF0
#FBFCE3#000000 text · best 20.14:1#FBFCE3
#EEFFE0#000000 text · best 20.02:1#EEFFE0
Old Lace#000000 text · best 19.38:1#FDF5E6

Generated Palette

#EFFCE4#EFFCE4
#F1E3FC#F1E3FC
#FBFCE3#FBFCE3
#E3FCE5#E3FCE5
White#FFFFFF
#BDF391#BDF391

Color Harmonies

#F1E3FC#F1E3FC
#FBFCE3#FBFCE3
#E3FCE5#E3FCE5
#E3EEFC#E3EEFC
#FCE3EE#FCE3EE

Variants

White#FFFFFF
#BDF391#BDF391
#EEFFE0#EEFFE0
#EFF9E7#EFF9E7
White#FFFFFF
White#FFFFFF

Nearest Named Colors

Warm White#F8F4E3
Beige#F5F5DC
Honeydew#F0FFF0
Marble White#F2F0E6
Old Lace#FDF5E6

Related HEX Guides

Warm White colorOpen the nearest named color reference for #F8F4E3.Beige colorOpen the nearest named color reference for #F5F5DC.Honeydew colorOpen the nearest named color reference for #F0FFF0.Green color familyBrowse named green colors related to this HEX value.Cool colorsExplore colors with similar temperature behavior.Light colorsFind colors in the light group.Pastel colorsFind colors in the pastel group.Color palettesBrowse palette systems related to generated color combinations.Compare colorsCompare named colors near this HEX value.Accessible colorsBrowse WCAG-friendly named colors and safe text options.#EFFCE4 APIOpen the machine-readable JSON record for this HEX value.