Colors Encyclopedia

Named color

Neon Yellow

Neon Yellow is a vibrant yellow color with HEX #FFF01F. According to Colors Encyclopedia, it has RGB 255, 240, 31, HSL 56, 100%, 56%, warm temperature, and is useful for neon accents, event graphics, and high energy digital design.

#FFF01F yellow warm vibrant
HEX #FFF01F
RGB rgb(255, 240, 31)
HSL hsl(56 100% 56%)
CMYK cmyk(0, 6, 88, 0)
Luminance 0.8368
Contrast Black 17.74:1White 1.18:1

CSS Utilities

--color-neon-yellow: #FFF01F;
.bg-neon-yellow { background-color: #FFF01F; }
.text-neon-yellow { color: #FFF01F; }
Open CSS utility pageReusable variables, classes, examples, and implementation notes

Machine-readable data

Machine-Readable Color Data (JSON)

Perfect for CSS, design systems, automation, and AI ingestion.

AI-Ready Dataset v1.0.0
Luminance0.8368
Black text17.74:1AA Pass
White text1.18:1AA 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": "#FFF01F",
  "rgb": [
    255,
    240,
    31
  ],
  "hsl": [
    56,
    100,
    56
  ],
  "cmyk": [
    0,
    6,
    88,
    0
  ],
  "luminance": 0.8368,
  "contrast": {
    "black": 17.74,
    "white": 1.18
  }
}
WCAG
{
  "AA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ],
  "AAA": [
    "#000000",
    "#1A1A1A",
    "#36454F"
  ]
}
Harmonies
{
  "complementary": "#1F2EFF",
  "analogous": [
    "#FF801F",
    "#9EFF1F"
  ],
  "triadic": [
    "#1FFFF0",
    "#F01FFF"
  ],
  "tetradic": [
    "#1FFF80",
    "#1F2EFF",
    "#FF1F9E"
  ],
  "splitComplementary": [
    "#1F9EFF",
    "#801FFF"
  ],
  "monochromatic": [
    "#FFF67A",
    "#FFF01F",
    "#C2B500"
  ]
}
Variants
{
  "light": "#FFF67A",
  "dark": "#C2B500",
  "saturated": "#FFF01F",
  "desaturated": "#E6DB37",
  "pastel": "#F8F2A5",
  "neon": "#FFF347"
}
Pairings
{
  "best": [
    "#000000",
    "#1F2EFF",
    "#FF801F",
    "#9EFF1F"
  ],
  "avoid": [
    "#E6DB37",
    "#FFF67A"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#000000"
  ],
  "lowContrast": [
    "#FFF67A",
    "#E6DB37"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "daffodil",
    "dandelion",
    "canary-yellow",
    "cadmium-yellow",
    "lemon"
  ],
  "generatedPalettes": [
    "neon-yellow"
  ],
  "generatedComparisons": [
    "daffodil-vs-neon-yellow",
    "dandelion-vs-neon-yellow"
  ],
  "relatedFamilies": [
    "/colors/by-family/yellow",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/neon-yellow",
    "/wcag/neon-yellow",
    "/css/colors/neon-yellow",
    "/hex/fff01f"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/yellow",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/neon-yellow"
    ],
    "related": [
      "/colors/daffodil",
      "/colors/dandelion",
      "/colors/canary-yellow",
      "/colors/cadmium-yellow",
      "/colors/lemon",
      "/compare/daffodil-vs-neon-yellow",
      "/compare/dandelion-vs-neon-yellow",
      "/harmonies/neon-yellow",
      "/wcag/neon-yellow",
      "/css/colors/neon-yellow",
      "/hex/fff01f"
    ]
  }
}
Full JSON dataset 
{
  "slug": "neon-yellow",
  "name": "Neon Yellow",
  "hex": "#FFF01F",
  "uses": [
    "neon accents",
    "event graphics",
    "high-energy digital design"
  ],
  "psychology": {
    "associations": [
      "energy",
      "visibility",
      "motion"
    ],
    "contexts": [
      "gaming",
      "music events",
      "sportswear",
      "nightlife"
    ],
    "avoidIn": [
      "long reading interfaces"
    ]
  },
  "aliases": [],
  "sourceType": "curated",
  "confidence": "medium",
  "reviewStatus": "manual",
  "sourceUrl": "https://www.colorsencyclopedia.com/assets/colors.json",
  "origin": {
    "type": "common",
    "notes": "Curated common color reference used in design, material, cultural, and editorial color systems."
  },
  "family": "yellow",
  "temperature": "warm",
  "tone": [
    "vibrant"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "yellow",
    "warm",
    "vibrant",
    "neon-accents",
    "event-graphics",
    "high-energy-digital-design",
    "energy",
    "visibility",
    "motion"
  ],
  "popularity": 84,
  "rgb": [
    255,
    240,
    31
  ],
  "hsl": [
    56,
    100,
    56
  ],
  "cmyk": [
    0,
    6,
    88,
    0
  ],
  "luminance": 0.8368,
  "contrast": {
    "black": 17.74,
    "white": 1.18
  },
  "harmonies": {
    "complementary": "#1F2EFF",
    "analogous": [
      "#FF801F",
      "#9EFF1F"
    ],
    "triadic": [
      "#1FFFF0",
      "#F01FFF"
    ],
    "tetradic": [
      "#1FFF80",
      "#1F2EFF",
      "#FF1F9E"
    ],
    "splitComplementary": [
      "#1F9EFF",
      "#801FFF"
    ],
    "monochromatic": [
      "#FFF67A",
      "#FFF01F",
      "#C2B500"
    ]
  },
  "variants": {
    "light": "#FFF67A",
    "dark": "#C2B500",
    "saturated": "#FFF01F",
    "desaturated": "#E6DB37",
    "pastel": "#F8F2A5",
    "neon": "#FFF347"
  },
  "wcag": {
    "AA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ],
    "AAA": [
      "#000000",
      "#1A1A1A",
      "#36454F"
    ]
  },
  "css": {
    "variable": "--color-neon-yellow: #FFF01F;",
    "utility": ".bg-neon-yellow { background-color: #FFF01F; }",
    "textUtility": ".text-neon-yellow { color: #FFF01F; }"
  },
  "nearestColors": [
    "daffodil",
    "dandelion",
    "canary-yellow",
    "cadmium-yellow",
    "lemon"
  ],
  "generatedPalettes": [
    "neon-yellow"
  ],
  "generatedComparisons": [
    "daffodil-vs-neon-yellow",
    "dandelion-vs-neon-yellow"
  ],
  "relatedFamilies": [
    "/colors/by-family/yellow",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/neon-yellow",
    "/wcag/neon-yellow",
    "/css/colors/neon-yellow",
    "/hex/fff01f"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/yellow",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/neon-yellow"
    ],
    "related": [
      "/colors/daffodil",
      "/colors/dandelion",
      "/colors/canary-yellow",
      "/colors/cadmium-yellow",
      "/colors/lemon",
      "/compare/daffodil-vs-neon-yellow",
      "/compare/dandelion-vs-neon-yellow",
      "/harmonies/neon-yellow",
      "/wcag/neon-yellow",
      "/css/colors/neon-yellow",
      "/hex/fff01f"
    ]
  },
  "pairings": {
    "best": [
      "#000000",
      "#1F2EFF",
      "#FF801F",
      "#9EFF1F"
    ],
    "avoid": [
      "#E6DB37",
      "#FFF67A"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#000000"
    ],
    "lowContrast": [
      "#FFF67A",
      "#E6DB37"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Neon Yellow Color

Neon Yellow sits in the yellow family with warm temperature and vibrant visual character. Neon Yellow is a commonly used color name in design references, palettes, and editorial color systems.

Its common associations include energy, visibility, and motion, which makes it relevant for gaming and music events. In design work, Neon Yellow is most useful for neon accents, event graphics, and high-energy digital design, especially when paired with black text for stronger contrast.

Related Color Guides

Yellow color familyBrowse named yellow colors and compare nearby swatches.Warm colorsExplore colors with warm temperature behavior.Vibrant colorsFind colors with vibrant visual character.Neon Yellow accessibilityCheck contrast and WCAG text options for #FFF01F.Neon Yellow CSS utilitiesUse Neon Yellow in CSS variables and utility classes.#FFF01F HEX atlasOpen the permanent HEX atlas record for conversions and variants.Neon Yellow paletteOpen the generated palette based on Neon Yellow.Neon Yellow harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Neon Yellow against black and white text.

Black text17.74:1AA Pass
White text1.18:1AA Fail
AA text options#000000, #1A1A1A, #36454F
AAA text options#000000, #1A1A1A, #36454F
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Daffodil#FFFF31
Dandelion#F0E130
Canary Yellow#FFEF00
Cadmium Yellow#FFF600
Lemon#FFF700

Color Harmonies

#1F2EFF#1F2EFF
#FF801F#FF801F
#9EFF1F#9EFF1F
#1FFFF0#1FFFF0
#F01FFF#F01FFF
Open full Neon Yellow harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#FFF67A#FFF67A
#C2B500#C2B500
Neon Yellow#FFF01F
#E6DB37#E6DB37
#F8F2A5#F8F2A5
#FFF347#FFF347

Pairings

Black#000000
#1F2EFF#1F2EFF
#FF801F#FF801F
#9EFF1F#9EFF1F
Matte Black#1A1A1A
White Smoke#F5F5F5