Nearest-color comparison

Oxidized Copper vs Smoke

Oxidized Copper and Smoke are different cyan and gray colors with HEX values #6E7F80 and #738276. According to Colors Encyclopedia, their RGB distance is 11.6, their contrast ratio is 1.03:1, and the comparison helps choose between tone, temperature, and accessibility behavior.

Oxidized Copper and Smoke are very close colors. Smoke is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.03:1, so the pair is too low for text and better treated as a palette relationship.

Differences Use cases Accessibility JSON

Oxidized Copper#6E7F80

Smoke#738276

Quick Difference Summary

The main measurable differences between Oxidized Copper and Smoke across RGB distance, luminance, hue, saturation, and contrast.

RGB distance11.6

Pair contrast1.03:1

Luminance delta0.0087

Hue delta51 deg

Lighter colorSmoke

More saturatedOxidized Copper

Side-by-Side Color Profiles

cyan color

Oxidized Copper

Oxidized Copper is #6E7F80, a cool cyan color with muted character. Compared with Smoke, it is darker and more saturated. Use it for metallic palettes, product finishes, and premium packaging, with black text as the safer foreground option.

HEX#6E7F80 RGB110, 127, 128 HSL183, 8, 47 CMYK14, 1, 0, 50 Luminance0.2005 Best textblack text

Color page WCAG HEX atlas

gray color

Smoke

Smoke is #738276, a neutral gray color with muted character. Compared with Oxidized Copper, it is lighter and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.

HEX#738276 RGB115, 130, 118 HSL132, 6, 48 CMYK12, 0, 9, 49 Luminance0.2092 Best textblack text

Color page WCAG HEX atlas

When to Use Oxidized Copper or Smoke

Choose Oxidized CopperOxidized Copper is better when the design needs muted cyan character, cool temperature, and the specific HEX value #6E7F80.

Choose SmokeSmoke is better when the design needs muted gray character, neutral temperature, and the specific HEX value #738276.

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

Technical Comparison Table

PropertyOxidized CopperSmoke

HEX#6E7F80#738276

RGB110, 127, 128115, 130, 118

HSL183, 8, 47132, 6, 48

CMYK14, 1, 0, 5012, 0, 9, 49

FamilyCyanGray

TemperatureCoolNeutral

ToneMutedMuted

Luminance0.20050.2092

Black contrast5.01:15.18:1

White contrast4.19:14.05:1

Shared tonesMuted

Accessibility and Contrast

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

Oxidized Copperblack text - 5.01:1

Smokeblack text - 5.18:1

Related Palette Strip

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

Oxidized Copper#6E7F80

Smoke#738276

#9FACAD#9FACAD

#A3AEA5#A3AEA5

#816F6E#816F6E

#82737F#82737F

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": "oxidized-copper",
    "name": "Oxidized Copper",
    "hex": "#6E7F80",
    "rgb": [
      110,
      127,
      128
    ],
    "hsl": [
      183,
      8,
      47
    ],
    "cmyk": [
      14,
      1,
      0,
      50
    ],
    "family": "cyan",
    "temperature": "cool",
    "tone": [
      "muted"
    ],
    "luminance": 0.2005,
    "contrast": {
      "black": 5.01,
      "white": 4.19
    },
    "wcag": {
      "AA": [
        "#000000"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.01
    },
    "description": "Oxidized Copper is #6E7F80, a cool cyan color with muted character. Compared with Smoke, it is darker and more saturated. Use it for metallic palettes, product finishes, and premium packaging, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/oxidized-copper/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/oxidized-copper.json"
  },
  {
    "slug": "smoke",
    "name": "Smoke",
    "hex": "#738276",
    "rgb": [
      115,
      130,
      118
    ],
    "hsl": [
      132,
      6,
      48
    ],
    "cmyk": [
      12,
      0,
      9,
      49
    ],
    "family": "gray",
    "temperature": "neutral",
    "tone": [
      "muted"
    ],
    "luminance": 0.2092,
    "contrast": {
      "black": 5.18,
      "white": 4.05
    },
    "wcag": {
      "AA": [
        "#000000"
      ],
      "AAA": []
    },
    "bestText": {
      "text": "#000000",
      "label": "black text",
      "ratio": 5.18
    },
    "description": "Smoke is #738276, a neutral gray color with muted character. Compared with Oxidized Copper, it is lighter and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.",
    "url": "https://www.colorsencyclopedia.com/colors/smoke/",
    "apiUrl": "https://www.colorsencyclopedia.com/api/colors/smoke.json"
  }
]

Differences

{
  "rgbDistance": 11.6,
  "contrastRatio": 1.03,
  "hslDelta": {
    "hue": 51,
    "saturation": 2,
    "lightness": 1
  },
  "luminanceDelta": 0.0087,
  "sameFamily": false,
  "sameTemperature": false,
  "sharedTones": [
    "muted"
  ],
  "lighterColor": "Smoke",
  "moreSaturatedColor": "Oxidized Copper"
}

Accessibility

{
  "pairContrastRatio": 1.03,
  "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
  "safeText": [
    {
      "color": "Oxidized Copper",
      "background": "#6E7F80",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.01
    },
    {
      "color": "Smoke",
      "background": "#738276",
      "foreground": "#000000",
      "label": "black text",
      "ratio": 5.18
    }
  ]
}

Use cases

{
  "chooseFirstWhen": "Oxidized Copper is better when the design needs muted cyan character, cool temperature, and the specific HEX value #6E7F80.",
  "chooseSecondWhen": "Smoke is better when the design needs muted gray character, neutral temperature, and the specific HEX value #738276.",
  "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/oxidized-copper-vs-smoke.json",
  "https://www.colorsencyclopedia.com/api/colors/oxidized-copper.json",
  "https://www.colorsencyclopedia.com/api/colors/smoke.json"
]

Full JSON dataset

{
  "datasetVersion": "1.0.0",
  "slug": "oxidized-copper-vs-smoke",
  "type": "nearest",
  "name": "Oxidized Copper vs Smoke",
  "verdict": "Oxidized Copper and Smoke are very close colors. Smoke is the lighter option. They share similar temperature behavior. Their mutual contrast is 1.03:1, so the pair is too low for text and better treated as a palette relationship.",
  "summary": "Oxidized Copper and Smoke are different cyan and gray colors with HEX values #6E7F80 and #738276. According to Colors Encyclopedia, their RGB distance is 11.6, their contrast ratio is 1.03:1, and the comparison helps choose between tone, temperature, and accessibility behavior.",
  "rgbDistance": 11.6,
  "contrastRatio": 1.03,
  "colors": [
    {
      "slug": "oxidized-copper",
      "name": "Oxidized Copper",
      "hex": "#6E7F80",
      "rgb": [
        110,
        127,
        128
      ],
      "hsl": [
        183,
        8,
        47
      ],
      "cmyk": [
        14,
        1,
        0,
        50
      ],
      "family": "cyan",
      "temperature": "cool",
      "tone": [
        "muted"
      ],
      "luminance": 0.2005,
      "contrast": {
        "black": 5.01,
        "white": 4.19
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.01
      },
      "description": "Oxidized Copper is #6E7F80, a cool cyan color with muted character. Compared with Smoke, it is darker and more saturated. Use it for metallic palettes, product finishes, and premium packaging, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/oxidized-copper/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/oxidized-copper.json"
    },
    {
      "slug": "smoke",
      "name": "Smoke",
      "hex": "#738276",
      "rgb": [
        115,
        130,
        118
      ],
      "hsl": [
        132,
        6,
        48
      ],
      "cmyk": [
        12,
        0,
        9,
        49
      ],
      "family": "gray",
      "temperature": "neutral",
      "tone": [
        "muted"
      ],
      "luminance": 0.2092,
      "contrast": {
        "black": 5.18,
        "white": 4.05
      },
      "wcag": {
        "AA": [
          "#000000"
        ],
        "AAA": []
      },
      "bestText": {
        "text": "#000000",
        "label": "black text",
        "ratio": 5.18
      },
      "description": "Smoke is #738276, a neutral gray color with muted character. Compared with Oxidized Copper, it is lighter and less saturated. Use it for backgrounds, typography, and product surfaces, with black text as the safer foreground option.",
      "url": "https://www.colorsencyclopedia.com/colors/smoke/",
      "apiUrl": "https://www.colorsencyclopedia.com/api/colors/smoke.json"
    }
  ],
  "differences": {
    "rgbDistance": 11.6,
    "contrastRatio": 1.03,
    "hslDelta": {
      "hue": 51,
      "saturation": 2,
      "lightness": 1
    },
    "luminanceDelta": 0.0087,
    "sameFamily": false,
    "sameTemperature": false,
    "sharedTones": [
      "muted"
    ],
    "lighterColor": "Smoke",
    "moreSaturatedColor": "Oxidized Copper"
  },
  "accessibility": {
    "pairContrastRatio": 1.03,
    "textRecommendation": "Do not use this pair for text; use it for neighboring palette colors, decoration, or low-emphasis surfaces.",
    "safeText": [
      {
        "color": "Oxidized Copper",
        "background": "#6E7F80",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.01
      },
      {
        "color": "Smoke",
        "background": "#738276",
        "foreground": "#000000",
        "label": "black text",
        "ratio": 5.18
      }
    ]
  },
  "useCases": {
    "chooseFirstWhen": "Oxidized Copper is better when the design needs muted cyan character, cool temperature, and the specific HEX value #6E7F80.",
    "chooseSecondWhen": "Smoke is better when the design needs muted gray character, neutral temperature, and the specific HEX value #738276.",
    "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/oxidized-copper-vs-smoke.json",
    "https://www.colorsencyclopedia.com/api/colors/oxidized-copper.json",
    "https://www.colorsencyclopedia.com/api/colors/smoke.json"
  ],
  "url": "https://www.colorsencyclopedia.com/compare/oxidized-copper-vs-smoke/",
  "apiUrl": "https://www.colorsencyclopedia.com/api/compare/oxidized-copper-vs-smoke.json"
}