HEX atlas value

#FFF600

#FFF600 is a warm yellow HEX color nearest Cadmium Yellow. RGB 255, 246, 0, HSL 58° 100% 50%, luminance 0.8717; view contrast and conversions.

yellow warm vibrant

#FFF600 Sample readable text

HEX #FFF600

RGB rgb(255, 246, 0)

HSL hsl(58 100% 50%)

CMYK cmyk(0, 4, 100, 0)

Luminance 0.8717

Contrast Black 18.43:1White 1.14:1

CSS

--color-fff600: #FFF600;
.background-fff600 { background-color: #FFF600; }
.text-fff600 { color: #FFF600; }

HEX meaning and use

About #FFF600

#FFF600 is classified as a warm yellow value with vibrant visual character. #FFF600 is visually closest to Cadmium Yellow, a named yellow color with HEX #FFF600.

The RGB channels are 255, 246, and 0, with red carrying the strongest channel weight. In HSL, the hue is 58deg with 100% saturation and 50% lightness, so this page treats it as a high-saturation, mid-lightness atlas color rather than a generic swatch.

Practical uses for this HEX value include color conversion, WCAG contrast checks, CSS color tokens, and high-energy accents. Its luminance is 0.8717, black text provides the stronger contrast for readable interface or documentation use, and Its nearest named-color distance is 0.00, which helps separate this atlas value from adjacent named color records.

WCAG Accessibility

Black text18.43:1AA Pass

White text1.14:1AA Fail

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

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

Accessibility-Safe Pairings and Alternatives

Use these pairings when #FFF600 needs readable text, badges, interface states, or nearby accessible alternatives.

Black text#00000018.43:1 · AAA

White text#FFFFFF1.14:1 · Fail

Accessible Alternatives

Yellow#FFFF00 · #000000 text · best 19.56:1 #FFFA5C#FFFA5C · #000000 text · best 19.08:1 Lemon#FFF700 · #000000 text · best 18.56:1 Canary Yellow#FFEF00 · #000000 text · best 17.6:1 #88FF00#88FF00 · #000000 text · best 16.35:1

Generated Palette

Cadmium Yellow#FFF600

#0008FF#0008FF

#FF7700#FF7700

#88FF00#88FF00

#FFFA5C#FFFA5C

#A39E00#A39E00

Color Harmonies

#0008FF#0008FF

#FF7700#FF7700

#88FF00#88FF00

#00FFF7#00FFF7

#F600FF#F600FF

Variants

#FFFA5C#FFFA5C

#A39E00#A39E00

Lemon#FFF700

#E3DC1C#E3DC1C

#F5F289#F5F289

#FFF829#FFF829

Nearest Named Colors

Cadmium Yellow#FFF600

Lemon#FFF700

Canary Yellow#FFEF00

Yellow#FFFF00

Golden Yellow#FFDF00

Luminance0.8717

Black text18.43:1AA Pass

White text1.14:1AA 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":"#FFF600","rgb":[255,246,0],"hsl":[58,100,50],"cmyk":[0,4,100,0],"luminance":0.8717,"contrast":{"black":18.43,"white":1.14}}

WCAG

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

Safe pairings

[{"name":"Black text","hex":"#000000","contrast":18.43,"wcagAA":true,"wcagAAA":true},{"name":"White text","hex":"#FFFFFF","contrast":1.14,"wcagAA":false,"wcagAAA":false}]

Accessible alternatives

[{"name":"Yellow","hex":"#FFFF00","family":"yellow","bestTextColor":"#000000","contrastBlack":19.56,"contrastWhite":1.07,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#FFFA5C","hex":"#FFFA5C","family":"yellow","bestTextColor":"#000000","contrastBlack":19.08,"contrastWhite":1.1,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Lemon","hex":"#FFF700","family":"yellow","bestTextColor":"#000000","contrastBlack":18.56,"contrastWhite":1.13,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"Canary Yellow","hex":"#FFEF00","family":"yellow","bestTextColor":"#000000","contrastBlack":17.6,"contrastWhite":1.19,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]},{"name":"#88FF00","hex":"#88FF00","family":"green","bestTextColor":"#000000","contrastBlack":16.35,"contrastWhite":1.28,"wcagAA":["#000000","#1A1A1A","#36454F"],"wcagAAA":["#000000","#1A1A1A","#36454F"]}]

AI context

{"semanticGroups":["warm yellow","vibrant","vibrant yellow","Cadmium Yellow 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/fff600.json","https://www.colorsencyclopedia.com/api/hex.json","https://www.colorsencyclopedia.com/api/colors/cadmium-yellow.json","https://www.colorsencyclopedia.com/api/colors/lemon.json","https://www.colorsencyclopedia.com/api/colors/canary-yellow.json"]}

Harmonies

{"complementary":"#0008FF","analogous":["#FF7700","#88FF00"],"triadic":["#00FFF7","#F600FF"],"tetradic":["#00FF77","#0008FF","#FF0088"],"splitComplementary":["#0088FF","#7700FF"],"monochromatic":["#FFFA5C","#FFF600","#A39E00"]}

Variants

{"light":"#FFFA5C","dark":"#A39E00","saturated":"#FFF700","desaturated":"#E3DC1C","pastel":"#F5F289","neon":"#FFF829"}

Nearest named colors

[{"slug":"cadmium-yellow","name":"Cadmium Yellow","hex":"#FFF600","distance":0},{"slug":"lemon","name":"Lemon","hex":"#FFF700","distance":1},{"slug":"canary-yellow","name":"Canary Yellow","hex":"#FFEF00","distance":7},{"slug":"yellow","name":"Yellow","hex":"#FFFF00","distance":9},{"slug":"golden-yellow","name":"Golden Yellow","hex":"#FFDF00","distance":23}]

#FFF600

CSS

About #FFF600

WCAG Accessibility

Accessibility-Safe Pairings and Alternatives

Accessible Alternatives

Generated Palette

Color Harmonies

Variants

Nearest Named Colors

Machine-Readable HEX Data (JSON)

Related HEX Guides