HEX atlas value

#E3FB2D

#E3FB2D is a warm yellow HEX color close to Daffodil. According to Colors Encyclopedia, it converts to RGB 227, 251, 45, HSL 67, 96%, 58%, has luminance 0.8551, and belongs to the vibrant group.

yellow warm vibrant

#E3FB2D Sample readable text

HEX #E3FB2D

RGB rgb(227, 251, 45)

HSL hsl(67 96% 58%)

CMYK cmyk(10, 0, 82, 2)

Luminance 0.8551

Contrast Black 18.1:1White 1.16:1

CSS

--color-e3fb2d: #E3FB2D;
.background-e3fb2d { background-color: #E3FB2D; }
.text-e3fb2d { color: #E3FB2D; }

Luminance0.8551

Black text18.1:1AA Pass

White text1.16:1AA 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":"#E3FB2D","rgb":[227,251,45],"hsl":[67,96,58],"cmyk":[10,0,82,2],"luminance":0.8551,"contrast":{"black":18.1,"white":1.16}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":18.1,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.16,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Daffodil","hex":"#FFFF31","family":"yellow","bestTextColor":"#000000","contrastBlack":19.6,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#EFFD87","hex":"#EFFD87","family":"yellow","bestTextColor":"#000000","contrastBlack":19.07,"contrastWhite":1.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#E6FF29","hex":"#E6FF29","family":"yellow","bestTextColor":"#000000","contrastBlack":18.7,"contrastWhite":1.12,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Chartreuse Green","hex":"#DFFF00","family":"yellow","bestTextColor":"#000000","contrastBlack":18.44,"contrastWhite":1.14,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Neon Yellow","hex":"#FFF01F","family":"yellow","bestTextColor":"#000000","contrastBlack":17.74,"contrastWhite":1.18,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Daffodil 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/e3fb2d.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/daffodil.json","https://www.colorsencyclopedia.com/api/colors/dandelion.json","https://www.colorsencyclopedia.com/api/colors/pear.json"]}

Harmonies

{"complementary":"#452DFB","analogous":["#FBAC2D","#7CFB2D"],"triadic":["#2DE3FB","#FB2DE3"],"tetradic":["#2DFBAC","#452DFB","#FB2D7C"],"splitComplementary":["#2D7CFB","#AC2DFB"],"monochromatic":["#EFFD87","#E3FB2D","#B1C804"]}

Variants

{"light":"#EFFD87","dark":"#B1C804","saturated":"#E6FF29","desaturated":"#D1E345","pastel":"#EFF7B1","neon":"#EBFF52"}

Nearest named colors

[{"slug":"daffodil","name":"Daffodil","hex":"#FFFF31","distance":28.5657137141714},{"slug":"dandelion","name":"Dandelion","hex":"#F0E130","distance":29.223278392404914},{"slug":"pear","name":"Pear","hex":"#D1E231","distance":31.064449134018133},{"slug":"neon-yellow","name":"Neon Yellow","hex":"#FFF01F","distance":33.18132004607411},{"slug":"chartreuse-green","name":"Chartreuse Green","hex":"#DFFF00","distance":45.35416188179427}]

HEX meaning and use

About #E3FB2D

#E3FB2D is classified as a warm yellow value with vibrant visual character. #E3FB2D is visually closest to Daffodil, a named yellow color with HEX #FFFF31.

The RGB channels are 227, 251, and 45, with green carrying the strongest channel weight. In HSL, the hue is 67deg with 96% saturation and 58% 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 0.8551, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 28.57, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text18.1:1AA Pass

White text1.16:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #E3FB2D needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000018.1:1 · AAA

White text#FFFFFF1.16:1 · Fail

Accessible Alternatives

Daffodil#000000 text · best 19.6:1#FFFF31

#EFFD87#000000 text · best 19.07:1#EFFD87

#E6FF29#000000 text · best 18.7:1#E6FF29

Chartreuse Green#000000 text · best 18.44:1#DFFF00

Neon Yellow#000000 text · best 17.74:1#FFF01F

Generated Palette

#E3FB2D#E3FB2D

#452DFB#452DFB

#FBAC2D#FBAC2D

#7CFB2D#7CFB2D

#EFFD87#EFFD87

#B1C804#B1C804

Color Harmonies

#452DFB#452DFB

#FBAC2D#FBAC2D

#7CFB2D#7CFB2D

#2DE3FB#2DE3FB

#FB2DE3#FB2DE3

Variants

#EFFD87#EFFD87

#B1C804#B1C804

#E6FF29#E6FF29

#D1E345#D1E345

#EFF7B1#EFF7B1

#EBFF52#EBFF52

Nearest Named Colors

Daffodil#FFFF31

Dandelion#F0E130

Pear#D1E231

Neon Yellow#FFF01F

Chartreuse Green#DFFF00

#E3FB2D

CSS

Machine-Readable HEX Data (JSON)

About #E3FB2D

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides