Colors Encyclopedia

Named color

Signal Red

Signal Red is a vibrant red color with HEX #E60000. According to Colors Encyclopedia, it has RGB 230, 0, 0, HSL 0, 100%, 45%, warm temperature, and is useful for neon accents, event graphics, and high energy digital design.

#E60000 red warm vibrant
HEX #E60000
RGB rgb(230, 0, 0)
HSL hsl(0 100% 45%)
CMYK cmyk(0, 100, 100, 10)
Luminance 0.1682
Contrast Black 4.36:1White 4.81:1

CSS Utilities

--color-signal-red: #E60000;
.bg-signal-red { background-color: #E60000; }
.text-signal-red { color: #E60000; }
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
Luminance0.1682
Black text4.36:1AA Fail
White text4.81:1AA Pass
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": "#E60000",
  "rgb": [
    230,
    0,
    0
  ],
  "hsl": [
    0,
    100,
    45
  ],
  "cmyk": [
    0,
    100,
    100,
    10
  ],
  "luminance": 0.1682,
  "contrast": {
    "black": 4.36,
    "white": 4.81
  }
}
WCAG
{
  "AA": [
    "#FFFFFF"
  ],
  "AAA": []
}
Harmonies
{
  "complementary": "#00E5E6",
  "analogous": [
    "#E60073",
    "#E67300"
  ],
  "triadic": [
    "#00E600",
    "#0000E6"
  ],
  "tetradic": [
    "#73E600",
    "#00E5E6",
    "#7300E6"
  ],
  "splitComplementary": [
    "#00E673",
    "#0073E6"
  ],
  "monochromatic": [
    "#FF4242",
    "#E60000",
    "#8A0000"
  ]
}
Variants
{
  "light": "#FF4242",
  "dark": "#8A0000",
  "saturated": "#E60000",
  "desaturated": "#CC1919",
  "pastel": "#F47171",
  "neon": "#FF0F0F"
}
Pairings
{
  "best": [
    "#FFFFFF",
    "#00E5E6",
    "#E60073",
    "#E67300"
  ],
  "avoid": [
    "#CC1919",
    "#FF4242"
  ],
  "neutral": [
    "#1A1A1A",
    "#F5F5F5",
    "#E8E8E4"
  ],
  "highContrast": [
    "#FFFFFF"
  ],
  "lowContrast": [
    "#FF4242",
    "#CC1919"
  ]
}
Knowledge graph
{
  "nearestColors": [
    "red",
    "traffic-red",
    "cadmium-red",
    "venetian-red",
    "scarlet"
  ],
  "generatedPalettes": [
    "signal-red"
  ],
  "generatedComparisons": [
    "red-vs-signal-red",
    "signal-red-vs-traffic-red"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/signal-red",
    "/wcag/signal-red",
    "/css/colors/signal-red",
    "/hex/e60000"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/red",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/signal-red"
    ],
    "related": [
      "/colors/red",
      "/colors/traffic-red",
      "/colors/cadmium-red",
      "/colors/venetian-red",
      "/colors/scarlet",
      "/compare/red-vs-signal-red",
      "/compare/signal-red-vs-traffic-red",
      "/harmonies/signal-red",
      "/wcag/signal-red",
      "/css/colors/signal-red",
      "/hex/e60000"
    ]
  }
}
Full JSON dataset 
{
  "slug": "signal-red",
  "name": "Signal Red",
  "hex": "#E60000",
  "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": "red",
  "temperature": "warm",
  "tone": [
    "vibrant"
  ],
  "editorialNotes": "Curated internal color record with computed technical properties.",
  "tags": [
    "red",
    "warm",
    "vibrant",
    "neon-accents",
    "event-graphics",
    "high-energy-digital-design",
    "energy",
    "visibility",
    "motion"
  ],
  "popularity": 84,
  "rgb": [
    230,
    0,
    0
  ],
  "hsl": [
    0,
    100,
    45
  ],
  "cmyk": [
    0,
    100,
    100,
    10
  ],
  "luminance": 0.1682,
  "contrast": {
    "black": 4.36,
    "white": 4.81
  },
  "harmonies": {
    "complementary": "#00E5E6",
    "analogous": [
      "#E60073",
      "#E67300"
    ],
    "triadic": [
      "#00E600",
      "#0000E6"
    ],
    "tetradic": [
      "#73E600",
      "#00E5E6",
      "#7300E6"
    ],
    "splitComplementary": [
      "#00E673",
      "#0073E6"
    ],
    "monochromatic": [
      "#FF4242",
      "#E60000",
      "#8A0000"
    ]
  },
  "variants": {
    "light": "#FF4242",
    "dark": "#8A0000",
    "saturated": "#E60000",
    "desaturated": "#CC1919",
    "pastel": "#F47171",
    "neon": "#FF0F0F"
  },
  "wcag": {
    "AA": [
      "#FFFFFF"
    ],
    "AAA": []
  },
  "css": {
    "variable": "--color-signal-red: #E60000;",
    "utility": ".bg-signal-red { background-color: #E60000; }",
    "textUtility": ".text-signal-red { color: #E60000; }"
  },
  "nearestColors": [
    "red",
    "traffic-red",
    "cadmium-red",
    "venetian-red",
    "scarlet"
  ],
  "generatedPalettes": [
    "signal-red"
  ],
  "generatedComparisons": [
    "red-vs-signal-red",
    "signal-red-vs-traffic-red"
  ],
  "relatedFamilies": [
    "/colors/by-family/red",
    "/colors/by-temperature/warm",
    "/colors/by-tone/vibrant"
  ],
  "relatedTools": [
    "/harmonies/signal-red",
    "/wcag/signal-red",
    "/css/colors/signal-red",
    "/hex/e60000"
  ],
  "semanticRelations": {
    "broader": [
      "/colors/by-family/red",
      "/colors/by-temperature/warm",
      "/colors/by-tone/vibrant"
    ],
    "narrower": [
      "/palettes/signal-red"
    ],
    "related": [
      "/colors/red",
      "/colors/traffic-red",
      "/colors/cadmium-red",
      "/colors/venetian-red",
      "/colors/scarlet",
      "/compare/red-vs-signal-red",
      "/compare/signal-red-vs-traffic-red",
      "/harmonies/signal-red",
      "/wcag/signal-red",
      "/css/colors/signal-red",
      "/hex/e60000"
    ]
  },
  "pairings": {
    "best": [
      "#FFFFFF",
      "#00E5E6",
      "#E60073",
      "#E67300"
    ],
    "avoid": [
      "#CC1919",
      "#FF4242"
    ],
    "neutral": [
      "#1A1A1A",
      "#F5F5F5",
      "#E8E8E4"
    ],
    "highContrast": [
      "#FFFFFF"
    ],
    "lowContrast": [
      "#FF4242",
      "#CC1919"
    ]
  }
}
Dataset manifest Version 1.0.0 Build hash published in manifest Canonical page

Color meaning and use

About Signal Red Color

Signal Red sits in the red family with warm temperature and vibrant visual character. Signal Red 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, Signal Red is most useful for neon accents, event graphics, and high-energy digital design, especially when paired with white text for stronger contrast.

Related Color Guides

Red color familyBrowse named red colors and compare nearby swatches.Warm colorsExplore colors with warm temperature behavior.Vibrant colorsFind colors with vibrant visual character.Signal Red accessibilityCheck contrast and WCAG text options for #E60000.Signal Red CSS utilitiesUse Signal Red in CSS variables and utility classes.#E60000 HEX atlasOpen the permanent HEX atlas record for conversions and variants.Signal Red paletteOpen the generated palette based on Signal Red.Signal Red harmoniesExplore complementary, analogous, triadic, and tetradic harmonies.

WCAG Accessibility

Contrast checks for Signal Red against black and white text.

Black text4.36:1AA Fail
White text4.81:1AA Pass
AA text options#FFFFFF
AAA text optionsNone in seed set
Open WCAG pageDetailed contrast notes, warnings, alternatives, and UI examples

Similar Colors

Red#FF0000
Traffic Red#CC0605
Cadmium Red#E30022
Venetian Red#C80815
Scarlet#FF2400

Color Harmonies

#00E5E6#00E5E6
#E60073#E60073
#E67300#E67300
#00E600#00E600
#0000E6#0000E6
Open full Signal Red harmony pageComplementary, analogous, triadic, tetradic, split, and monochromatic sets

Variants

#FF4242#FF4242
#8A0000#8A0000
Signal Red#E60000
#CC1919#CC1919
#F47171#F47171
#FF0F0F#FF0F0F

Pairings

White#FFFFFF
#00E5E6#00E5E6
#E60073#E60073
#E67300#E67300
Matte Black#1A1A1A
White Smoke#F5F5F5