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Complementary Color Matcher

Generate high-contrast complementary color pairs using exact 180° hue rotation.

Export Palette

Copy or download the current harmony as CSS, SCSS, Tailwind config, JSON, CSV, GPL, ASE or ACO. Tabs toggle the preview; switch color space to change the output format.

:root {
  --complementary-1: #ff0000;
  --complementary-1-50: #fff3ee;
  --complementary-1-100: #ffe7df;
  --complementary-1-200: #ffcec1;
  --complementary-1-300: #ffab9a;
  --complementary-1-400: #ff7a66;
  --complementary-1-500: #ff0000;
  --complementary-1-600: #de0000;
  --complementary-1-700: #a70000;
  --complementary-1-800: #6f0000;
  --complementary-1-900: #3b0000;
  --complementary-1-950: #0f0000;
  --complementary-2: #00ffff;
  --complementary-2-50: #f0ffff;
  --complementary-2-100: #e5ffff;
  --complementary-2-200: #cfffff;
  --complementary-2-300: #adffff;
  --complementary-2-400: #7cffff;
  --complementary-2-500: #00ffff;
  --complementary-2-600: #00d9d9;
  --complementary-2-700: #009c9d;
  --complementary-2-800: #006263;
  --complementary-2-900: #003132;
  --complementary-2-950: #000b0b;
}
$complementary-1: #ff0000;
$complementary-1-50: #fff3ee;
$complementary-1-100: #ffe7df;
$complementary-1-200: #ffcec1;
$complementary-1-300: #ffab9a;
$complementary-1-400: #ff7a66;
$complementary-1-500: #ff0000;
$complementary-1-600: #de0000;
$complementary-1-700: #a70000;
$complementary-1-800: #6f0000;
$complementary-1-900: #3b0000;
$complementary-1-950: #0f0000;
$complementary-2: #00ffff;
$complementary-2-50: #f0ffff;
$complementary-2-100: #e5ffff;
$complementary-2-200: #cfffff;
$complementary-2-300: #adffff;
$complementary-2-400: #7cffff;
$complementary-2-500: #00ffff;
$complementary-2-600: #00d9d9;
$complementary-2-700: #009c9d;
$complementary-2-800: #006263;
$complementary-2-900: #003132;
$complementary-2-950: #000b0b;
colors: {
    'complementary-1': {
      50: '#fff3ee',
      100: '#ffe7df',
      200: '#ffcec1',
      300: '#ffab9a',
      400: '#ff7a66',
      500: '#ff0000',
      600: '#de0000',
      700: '#a70000',
      800: '#6f0000',
      900: '#3b0000',
      950: '#0f0000',
      DEFAULT: '#ff0000',
    },
    'complementary-2': {
      50: '#f0ffff',
      100: '#e5ffff',
      200: '#cfffff',
      300: '#adffff',
      400: '#7cffff',
      500: '#00ffff',
      600: '#00d9d9',
      700: '#009c9d',
      800: '#006263',
      900: '#003132',
      950: '#000b0b',
      DEFAULT: '#00ffff',
    },
  },
[
  {
    "name": "complementary-1",
    "harmony": "Complementary",
    "hex": "#ff0000",
    "rgb": {
      "r": 255,
      "g": 0,
      "b": 0
    },
    "hsl": {
      "h": 0,
      "s": 100,
      "l": 50
    },
    "value": "#ff0000",
    "tonalScale": {
      "50": {
        "hex": "#fff3ee",
        "rgb": {
          "r": 255,
          "g": 243,
          "b": 238
        }
      },
      "100": {
        "hex": "#ffe7df",
        "rgb": {
          "r": 255,
          "g": 231,
          "b": 223
        }
      },
      "200": {
        "hex": "#ffcec1",
        "rgb": {
          "r": 255,
          "g": 206,
          "b": 193
        }
      },
      "300": {
        "hex": "#ffab9a",
        "rgb": {
          "r": 255,
          "g": 171,
          "b": 154
        }
      },
      "400": {
        "hex": "#ff7a66",
        "rgb": {
          "r": 255,
          "g": 122,
          "b": 102
        }
      },
      "500": {
        "hex": "#ff0000",
        "rgb": {
          "r": 255,
          "g": 0,
          "b": 0
        }
      },
      "600": {
        "hex": "#de0000",
        "rgb": {
          "r": 222,
          "g": 0,
          "b": 0
        }
      },
      "700": {
        "hex": "#a70000",
        "rgb": {
          "r": 167,
          "g": 0,
          "b": 0
        }
      },
      "800": {
        "hex": "#6f0000",
        "rgb": {
          "r": 111,
          "g": 0,
          "b": 0
        }
      },
      "900": {
        "hex": "#3b0000",
        "rgb": {
          "r": 59,
          "g": 0,
          "b": 0
        }
      },
      "950": {
        "hex": "#0f0000",
        "rgb": {
          "r": 15,
          "g": 0,
          "b": 0
        }
      }
    }
  },
  {
    "name": "complementary-2",
    "harmony": "Complementary",
    "hex": "#00ffff",
    "rgb": {
      "r": 0,
      "g": 255,
      "b": 255
    },
    "hsl": {
      "h": 180,
      "s": 100,
      "l": 50
    },
    "value": "#00ffff",
    "tonalScale": {
      "50": {
        "hex": "#f0ffff",
        "rgb": {
          "r": 240,
          "g": 255,
          "b": 255
        }
      },
      "100": {
        "hex": "#e5ffff",
        "rgb": {
          "r": 229,
          "g": 255,
          "b": 255
        }
      },
      "200": {
        "hex": "#cfffff",
        "rgb": {
          "r": 207,
          "g": 255,
          "b": 255
        }
      },
      "300": {
        "hex": "#adffff",
        "rgb": {
          "r": 173,
          "g": 255,
          "b": 255
        }
      },
      "400": {
        "hex": "#7cffff",
        "rgb": {
          "r": 124,
          "g": 255,
          "b": 255
        }
      },
      "500": {
        "hex": "#00ffff",
        "rgb": {
          "r": 0,
          "g": 255,
          "b": 255
        }
      },
      "600": {
        "hex": "#00d9d9",
        "rgb": {
          "r": 0,
          "g": 217,
          "b": 217
        }
      },
      "700": {
        "hex": "#009c9d",
        "rgb": {
          "r": 0,
          "g": 156,
          "b": 157
        }
      },
      "800": {
        "hex": "#006263",
        "rgb": {
          "r": 0,
          "g": 98,
          "b": 99
        }
      },
      "900": {
        "hex": "#003132",
        "rgb": {
          "r": 0,
          "g": 49,
          "b": 50
        }
      },
      "950": {
        "hex": "#000b0b",
        "rgb": {
          "r": 0,
          "g": 11,
          "b": 11
        }
      }
    }
  }
]
Name,Harmony,Hex,RGB,HSL,Value,T50,T100,T200,T300,T400,T500,T600,T700,T800,T900,T950
complementary-1,Complementary,#ff0000,"rgb(255, 0, 0)","hsl(0, 100%, 50%)",#ff0000,#fff3ee,#ffe7df,#ffcec1,#ffab9a,#ff7a66,#ff0000,#de0000,#a70000,#6f0000,#3b0000,#0f0000
complementary-2,Complementary,#00ffff,"rgb(0, 255, 255)","hsl(180, 100%, 50%)",#00ffff,#f0ffff,#e5ffff,#cfffff,#adffff,#7cffff,#00ffff,#00d9d9,#009c9d,#006263,#003132,#000b0b
GIMP Palette
Name: PocketSwiss analogous
Columns: 4
#
255   0   0   complementary-1
255 243 238   complementary-1-50
255 231 223   complementary-1-100
255 206 193   complementary-1-200
255 171 154   complementary-1-300
255 122 102   complementary-1-400
255   0   0   complementary-1-500
222   0   0   complementary-1-600
167   0   0   complementary-1-700
111   0   0   complementary-1-800
 59   0   0   complementary-1-900
 15   0   0   complementary-1-950
  0 255 255   complementary-2
240 255 255   complementary-2-50
229 255 255   complementary-2-100
207 255 255   complementary-2-200
173 255 255   complementary-2-300
124 255 255   complementary-2-400
  0 255 255   complementary-2-500
  0 217 217   complementary-2-600
  0 156 157   complementary-2-700
  0  98  99   complementary-2-800
  0  49  50   complementary-2-900
  0  11  11   complementary-2-950
Binary ASE — use Download to save the file.
Binary ACO — use Download to save the file.

What is Complementary Color Matcher?

Generate high-contrast complementary color pairs using exact 180° hue rotation. This free complementary color matcher tool runs entirely in your browser — no sign-up, no uploads, and no data leaves your device.

Why use the Complementary Color Matcher tool?

Browse by mood: Color Harmony & Color Wheel Tools