1 | # color-hex-case
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2 |
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3 | Specify lowercase or uppercase for hex colors.
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4 |
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5 | ```css
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6 | a { color: #fff }
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7 | /** ↑
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8 | * This hex color */
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9 | ```
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10 |
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11 | The `--fix` option on the [command line](../../../docs/user-guide/cli.md#autofixing-errors) can automatically fix all of the problems reported by this rule.
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12 |
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13 | ## Options
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14 |
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15 | `string`: `"lower"|"upper"`
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16 |
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17 | ### `"lower"`
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18 |
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19 | The following patterns are considered violations:
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20 |
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21 | ```css
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22 | a { color: #FFF; }
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23 | ```
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24 |
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25 | The following patterns are *not* considered violations:
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26 |
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27 | ```css
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28 | a { color: #000; }
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29 | ```
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30 |
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31 | ```css
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32 | a { color: #fff; }
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33 | ```
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34 |
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35 | ### `"upper"`
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36 |
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37 | The following patterns are considered violations:
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38 |
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39 | ```css
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40 | a { color: #fff; }
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41 | ```
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42 |
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43 | The following patterns are *not* considered violations:
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44 |
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45 | ```css
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46 | a { color: #000; }
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47 | ```
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48 |
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49 | ```css
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50 | a { color: #FFF; }
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51 | ```
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