Colors Encyclopedia

HEX atlas value

#ECFBBB

#ECFBBB is a cool green HEX color close to Soft Yellow. According to Colors Encyclopedia, it converts to RGB 236, 251, 187, HSL 74, 89%, 86%, has luminance 0.9042, and belongs to the light and pastel groups.

greencoollightpastel
#ECFBBB Sample readable text
HEX #ECFBBB
RGB rgb(236, 251, 187)
HSL hsl(74 89% 86%)
CMYK cmyk(6, 0, 25, 2)
Luminance 0.9042
Contrast Black 19.08:1White 1.1:1

CSS

--color-ecfbbb: #ECFBBB;
.background-ecfbbb { background-color: #ECFBBB; }
.text-ecfbbb { color: #ECFBBB; }

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
Luminance0.9042
Black text19.08:1AA Pass
White text1.1:1AA 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":"#ECFBBB","rgb":[236,251,187],"hsl":[74,89,86],"cmyk":[6,0,25,2],"luminance":0.9042,"contrast":{"black":19.08,"white":1.1}}
WCAG
{"AA":["#000000","#1A1A1A","#36454F"],"AAA":["#000000","#1A1A1A","#36454F"]}
Safe pairings
[{"name":"Black text","hex":"#000000","contrast":19.08,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.1,"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":"Lemon Chiffon","hex":"#FFFACD","family":"yellow","bestTextColor":"#000000","contrastBlack":19.81,"contrastWhite":1.06,"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":"#EEFFB8","hex":"#EEFFB8","family":"green","bestTextColor":"#000000","contrastBlack":19.63,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Soft Yellow","hex":"#FFF8B8","family":"yellow","bestTextColor":"#000000","contrastBlack":19.37,"contrastWhite":1.08,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]
AI context
{"semanticGroups":["cool green","light","pastel","light green","pastel green","Soft Yellow 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/ecfbbb.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/soft-yellow.json","https://www.colorsencyclopedia.com/api/colors/pale-goldenrod.json","https://www.colorsencyclopedia.com/api/colors/lemon-chiffon.json"]}
Harmonies
{"complementary":"#CABCFB","analogous":["#FBEABC","#CCFBBC"],"triadic":["#BCECFB","#FBBCEC"],"tetradic":["#BCFBEA","#CABCFB","#FBBCCC"],"splitComplementary":["#BCCCFB","#EABCFB"],"monochromatic":["#FFFFFF","#ECFBBB","#D4F665"]}
Variants
{"light":"#FFFFFF","dark":"#D4F665","saturated":"#EEFFB8","desaturated":"#E8F3C3","pastel":"#FFFFFF","neon":"#F8FFE0"}
Nearest named colors
[{"slug":"soft-yellow","name":"Soft Yellow","hex":"#FFF8B8","distance":19.467922333931785},{"slug":"pale-goldenrod","name":"Pale Goldenrod","hex":"#EEE8AA","distance":25.573423705088842},{"slug":"lemon-chiffon","name":"Lemon Chiffon","hex":"#FFFACD","distance":26.19160170741759},{"slug":"light-goldenrod-yellow","name":"Light Goldenrod Yellow","hex":"#FAFAD2","distance":26.94438717061496},{"slug":"vellum","name":"Vellum","hex":"#EFE3C8","distance":27.459060435491963}]
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

HEX meaning and use

About #ECFBBB

#ECFBBB is classified as a cool green value with light and pastel visual character. #ECFBBB is visually closest to Soft Yellow, a named yellow color with HEX #FFF8B8.

The RGB channels are 236, 251, and 187, with green carrying the strongest channel weight. In HSL, the hue is 74deg with 89% saturation and 86% 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 0.9042, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 19.47, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text19.08:1AA Pass
White text1.1:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

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

Black text#00000019.08:1 · AAA
White text#FFFFFF1.1:1 · Fail

Accessible Alternatives

White#000000 text · best 21:1#FFFFFF
Lemon Chiffon#000000 text · best 19.81:1#FFFACD
Light Goldenrod Yellow#000000 text · best 19.67:1#FAFAD2
#EEFFB8#000000 text · best 19.63:1#EEFFB8
Soft Yellow#000000 text · best 19.37:1#FFF8B8

Generated Palette

#ECFBBB#ECFBBB
#CABCFB#CABCFB
#FBEABC#FBEABC
#CCFBBC#CCFBBC
White#FFFFFF
#D4F665#D4F665

Color Harmonies

#CABCFB#CABCFB
#FBEABC#FBEABC
#CCFBBC#CCFBBC
#BCECFB#BCECFB
#FBBCEC#FBBCEC

Variants

White#FFFFFF
#D4F665#D4F665
#EEFFB8#EEFFB8
#E8F3C3#E8F3C3
White#FFFFFF
#F8FFE0#F8FFE0

Nearest Named Colors

Soft Yellow#FFF8B8
Pale Goldenrod#EEE8AA
Lemon Chiffon#FFFACD
Light Goldenrod Yellow#FAFAD2
Vellum#EFE3C8

Related HEX Guides

Soft Yellow colorOpen the nearest named color reference for #FFF8B8.Pale Goldenrod colorOpen the nearest named color reference for #EEE8AA.Lemon Chiffon colorOpen the nearest named color reference for #FFFACD.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.#ECFBBB APIOpen the machine-readable JSON record for this HEX value.