Nearest-color comparison

Signal Red vs Traffic Red

Signal Red and Traffic Red are different red colors with HEX values #E60000 and #CC0605. According to Colors Encyclopedia, their RGB distance is 27.1, their contrast ratio is 1.21:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Signal Red and Traffic Red are visually related colors. Signal Red is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.21:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Signal Red#E60000

Traffic Red#CC0605

Quick Difference Summary

The main measurable differences between Signal Red and Traffic Red across RGB distance, luminance, hue, saturation, and contrast.

RGB distance27.1

Pair contrast1.21:1

Luminance delta0.0384

Hue delta0 deg

Lighter colorSignal Red

More saturatedSignal Red

Side-by-Side Color Profiles

red color

Signal Red

Signal Red is #E60000, a warm red color with vibrant character. Compared with Traffic Red, it is lighter and more saturated. Use it for neon accents, event graphics, and high-energy digital design, with white text as the safer foreground option.

HEX#E60000 RGB230, 0, 0 HSL0, 100, 45 CMYK0, 100, 100, 10 Luminance0.1682 Best textwhite text

Color page WCAG HEX atlas

red color

Traffic Red

Traffic Red is #CC0605, a warm red color with vibrant character. Compared with Signal Red, it is darker and less saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.

HEX#CC0605 RGB204, 6, 5 HSL0, 95, 41 CMYK0, 97, 98, 20 Luminance0.1298 Best textwhite text

Color page WCAG HEX atlas

When to Use Signal Red or Traffic Red

Choose Signal RedSignal Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #E60000.

Choose Traffic RedTraffic Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #CC0605.

Use togetherUse these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs.

Technical Comparison Table

PropertySignal RedTraffic Red

HEX#E60000#CC0605

RGB230, 0, 0204, 6, 5

HSL0, 100, 450, 95, 41

CMYK0, 100, 100, 100, 97, 98, 20

FamilyRedRed

TemperatureWarmWarm

ToneVibrantVibrant

Luminance0.16820.1298

Black contrast4.36:13.6:1

White contrast4.81:15.84:1

Shared tonesVibrant

Accessibility and Contrast

Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.

Signal Redwhite text - 4.81:1

Traffic Redwhite text - 5.84:1

Related Palette Strip

A compact visual strip showing the two compared colors with nearby harmony and variant context.

Signal Red#E60000

Traffic Red#CC0605

#FF4242#FF4242

#FA3333#FA3333

#00E5E6#00E5E6

#05CCCC#05CCCC

colorsBoth named color records with HEX, RGB, HSL, CMYK, luminance, WCAG, and links

differencesRGB distance, HSL deltas, luminance delta, contrast, and shared attributes

accessibilityPair contrast and safer text choices for each color

useCasesWhen to choose each color and when to use them together

relatedApiMachine-readable comparison and color endpoints

Structured sections

Colors

[
  {
    "slug": "signal-red",
    "name": "Signal Red",
    "hex": "#E60000",
    "rgb": [
      230,
      0,
      0
    ],
    "hsl": [
      0,
      100,
      45
    ],
    "cmyk": [
      0,
      100,
      100,
      10
    ],
    "family": "red",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.1682,
    "contrast": {
      "black": 4.36,
      "white": 4.81
    },
    "wcag": {
      "AA": [
        "#FFFFFF"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 4.81
    },
    "description": "Signal Red is #E60000, a warm red color with vibrant character. Compared with Traffic Red, it is lighter and more saturated. Use it for neon accents, event graphics, and high-energy digital design, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/signal-red/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/signal-red.json"
  },
  {
    "slug": "traffic-red",
    "name": "Traffic Red",
    "hex": "#CC0605",
    "rgb": [
      204,
      6,
      5
    ],
    "hsl": [
      0,
      95,
      41
    ],
    "cmyk": [
      0,
      97,
      98,
      20
    ],
    "family": "red",
    "temperature": "warm",
    "tone": [
      "vibrant"
    ],
    "luminance": 0.1298,
    "contrast": {
      "black": 3.6,
      "white": 5.84
    },
    "wcag": {
      "AA": [
        "#FFFFFF",
        "#F5F5F5"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#FFFFFF",
      "label": "white text",
      "ratio": 5.84
    },
    "description": "Traffic Red is #CC0605, a warm red color with vibrant character. Compared with Signal Red, it is darker and less saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/traffic-red/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/traffic-red.json"
  }
]

Differences

{
  "rgbDistance": 27.1,
  "contrastRatio": 1.21,
  "hslDelta": {
    "hue": 0,
    "saturation": 5,
    "lightness": 4
  },
  "luminanceDelta": 0.0384,
  "sameFamily": true,
  "sameTemperature": true,
  "sharedTones": [
    "vibrant"
  ],
  "lighterColor": "Signal Red",
  "moreSaturatedColor": "Signal Red"
}

Accessibility

{
  "pairContrastRatio": 1.21,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Signal Red",
      "background": "#E60000",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 4.81
    },
    {
      "color": "Traffic Red",
      "background": "#CC0605",
      "foreground": "#FFFFFF",
      "label": "white text",
      "ratio": 5.84
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Signal Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #E60000.",
  "chooseSecondWhen": "Traffic Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #CC0605.",
  "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
}

Related API

[
  "https://www.colorsencyclopedia.com/api/compare/signal-red-vs-traffic-red.json",
  "https://www.colorsencyclopedia.com/api/colors/signal-red.json",
  "https://www.colorsencyclopedia.com/api/colors/traffic-red.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "signal-red-vs-traffic-red",
  "type": "nearest",
  "name": "Signal Red vs Traffic Red",
  "verdict": "Signal Red and Traffic Red are visually related colors. Signal Red is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.21:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Signal Red and Traffic Red are different red colors with HEX values #E60000 and #CC0605. According to Colors Encyclopedia, their RGB distance is 27.1, their contrast ratio is 1.21:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 27.1,
  "contrastRatio": 1.21,
  "colors": [
    {
      "slug": "signal-red",
      "name": "Signal Red",
      "hex": "#E60000",
      "rgb": [
        230,
        0,
        0
      ],
      "hsl": [
        0,
        100,
        45
      ],
      "cmyk": [
        0,
        100,
        100,
        10
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.1682,
      "contrast": {
        "black": 4.36,
        "white": 4.81
      },
      "wcag": {
        "AA": [
          "#FFFFFF"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 4.81
      },
      "description": "Signal Red is #E60000, a warm red color with vibrant character. Compared with Traffic Red, it is lighter and more saturated. Use it for neon accents, event graphics, and high-energy digital design, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/signal-red/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/signal-red.json"
    },
    {
      "slug": "traffic-red",
      "name": "Traffic Red",
      "hex": "#CC0605",
      "rgb": [
        204,
        6,
        5
      ],
      "hsl": [
        0,
        95,
        41
      ],
      "cmyk": [
        0,
        97,
        98,
        20
      ],
      "family": "red",
      "temperature": "warm",
      "tone": [
        "vibrant"
      ],
      "luminance": 0.1298,
      "contrast": {
        "black": 3.6,
        "white": 5.84
      },
      "wcag": {
        "AA": [
          "#FFFFFF",
          "#F5F5F5"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#FFFFFF",
        "label": "white text",
        "ratio": 5.84
      },
      "description": "Traffic Red is #CC0605, a warm red color with vibrant character. Compared with Signal Red, it is darker and less saturated. Use it for industrial design, safety systems, and hardware palettes, with white text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/traffic-red/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/traffic-red.json"
    }
  ],
  "differences": {
    "rgbDistance": 27.1,
    "contrastRatio": 1.21,
    "hslDelta": {
      "hue": 0,
      "saturation": 5,
      "lightness": 4
    },
    "luminanceDelta": 0.0384,
    "sameFamily": true,
    "sameTemperature": true,
    "sharedTones": [
      "vibrant"
    ],
    "lighterColor": "Signal Red",
    "moreSaturatedColor": "Signal Red"
  },
  "accessibility": {
    "pairContrastRatio": 1.21,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Signal Red",
        "background": "#E60000",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 4.81
      },
      {
        "color": "Traffic Red",
        "background": "#CC0605",
        "foreground": "#FFFFFF",
        "label": "white text",
        "ratio": 5.84
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Signal Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #E60000.",
    "chooseSecondWhen": "Traffic Red is better when the design needs vibrant red character, warm temperature, and the specific HEX value #CC0605.",
    "useTogetherWhen": "Use these colors together as related palette neighbors, subtle material differences, or tonal alternatives rather than readable foreground/background pairs."
  },
  "relatedApi": [
    "https://www.colorsencyclopedia.com/api/compare/signal-red-vs-traffic-red.json",
    "https://www.colorsencyclopedia.com/api/colors/signal-red.json",
    "https://www.colorsencyclopedia.com/api/colors/traffic-red.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/signal-red-vs-traffic-red/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/signal-red-vs-traffic-red.json"
}