HEX atlas value

#EFF15F

#EFF15F is a warm yellow HEX color close to Maize. According to Colors Encyclopedia, it converts to RGB 239, 241, 95, HSL 61, 84%, 66%, has luminance 0.8209, and belongs to the vibrant group.

yellow warm vibrant

#EFF15F Sample readable text

HEX #EFF15F

RGB rgb(239, 241, 95)

HSL hsl(61 84% 66%)

CMYK cmyk(1, 0, 61, 5)

Luminance 0.8209

Contrast Black 17.42:1White 1.21:1

CSS

--color-eff15f: #EFF15F;
.background-eff15f { background-color: #EFF15F; }
.text-eff15f { color: #EFF15F; }

Luminance0.8209

Black text17.42:1AA Pass

White text1.21:1AA 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":"#EFF15F","rgb":[239,241,95],"hsl":[61,84,66],"cmyk":[1,0,61,5],"luminance":0.8209,"contrast":{"black":17.42,"white":1.21}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":17.42,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.21,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Laser Lemon","hex":"#FFFF66","family":"yellow","bestTextColor":"#000000","contrastBlack":19.75,"contrastWhite":1.06,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FCFF52","hex":"#FCFF52","family":"yellow","bestTextColor":"#000000","contrastBlack":19.56,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#F7F8B4","hex":"#F7F8B4","family":"yellow","bestTextColor":"#000000","contrastBlack":19.04,"contrastWhite":1.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Maize","hex":"#FBEC5D","family":"yellow","bestTextColor":"#000000","contrastBlack":17.26,"contrastWhite":1.22,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Mustard","hex":"#FFDB58","family":"yellow","bestTextColor":"#000000","contrastBlack":15.53,"contrastWhite":1.35,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Maize 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/eff15f.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/maize.json","https://www.colorsencyclopedia.com/api/colors/laser-lemon.json","https://www.colorsencyclopedia.com/api/colors/naples-yellow.json"]}

Harmonies

{"complementary":"#625FF1","analogous":["#F1AB5F","#A6F15F"],"triadic":["#5FEFF1","#F15FEF"],"tetradic":["#5FF1AB","#625FF1","#F15FA6"],"splitComplementary":["#5FA6F1","#AB5FF1"],"monochromatic":["#F7F8B4","#EFF15F","#DEE114"]}

Variants

{"light":"#F7F8B4","dark":"#DEE114","saturated":"#FCFF52","desaturated":"#DCDE73","pastel":"#F7F8D8","neon":"#FDFF7A"}

Nearest named colors

[{"slug":"maize","name":"Maize","hex":"#FBEC5D","distance":13.152946437965905},{"slug":"laser-lemon","name":"Laser Lemon","hex":"#FFFF66","distance":22.38302928559939},{"slug":"naples-yellow","name":"Naples Yellow","hex":"#FADA5E","distance":25.514701644346147},{"slug":"mustard","name":"Mustard","hex":"#FFDB58","distance":28.089143810376278},{"slug":"straw","name":"Straw","hex":"#E4D96F","distance":30.870698080866262}]

HEX meaning and use

About #EFF15F

#EFF15F is classified as a warm yellow value with vibrant visual character. #EFF15F is visually closest to Maize, a named yellow color with HEX #FBEC5D.

The RGB channels are 239, 241, and 95, with green carrying the strongest channel weight. In HSL, the hue is 61deg with 84% saturation and 66% 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 0.8209, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 13.15, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text17.42:1AA Pass

White text1.21:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #EFF15F needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000017.42:1 · AAA

White text#FFFFFF1.21:1 · Fail

Accessible Alternatives

Laser Lemon#000000 text · best 19.75:1#FFFF66

#FCFF52#000000 text · best 19.56:1#FCFF52

#F7F8B4#000000 text · best 19.04:1#F7F8B4

Maize#000000 text · best 17.26:1#FBEC5D

Mustard#000000 text · best 15.53:1#FFDB58

Generated Palette

#EFF15F#EFF15F

#625FF1#625FF1

#F1AB5F#F1AB5F

#A6F15F#A6F15F

#F7F8B4#F7F8B4

#DEE114#DEE114

Color Harmonies

#625FF1#625FF1

#F1AB5F#F1AB5F

#A6F15F#A6F15F

#5FEFF1#5FEFF1

#F15FEF#F15FEF

Variants

#F7F8B4#F7F8B4

#DEE114#DEE114

#FCFF52#FCFF52

#DCDE73#DCDE73

#F7F8D8#F7F8D8

#FDFF7A#FDFF7A

Nearest Named Colors

Maize#FBEC5D

Laser Lemon#FFFF66

Naples Yellow#FADA5E

Mustard#FFDB58

Straw#E4D96F

#EFF15F

CSS

Machine-Readable HEX Data (JSON)

About #EFF15F

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Related HEX Guides