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https://github.com/Jermolene/TiddlyWiki5
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22 lines
747 B
Plaintext
22 lines
747 B
Plaintext
created: 20150221113728000
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modified: 20150221151338000
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tags: Macros [[Core Macros]]
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title: contrastcolour Macro
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type: text/vnd.tiddlywiki
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caption: contrastcolour
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The <<.def contrastcolour>> [[macro|Macros]] returns whichever of two given [[CSS|Cascading Style Sheets]] colours is deemed to contrast best with another.
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An example can be seen in the [[template tiddler for tag pills|$:/core/ui/TagTemplate]].
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!! Parameters
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;target
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: The colour to contrast against (typically a background colour)
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;fallbackTarget
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: An alternative colour to contrast against. This is used when <<.param target>> is undefined or not a valid colour
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;colourA
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: The first of the two colours to choose between
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;colourB
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: The second of the two colours to choose between
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