How to get a heart symbol filled with black color

[AjayDhimanELS]

1. \spadesuit or \spades renders spade with filled black color.

2. Similarly, \clubs or \clubsuit renders club with filled black color.

3. Now \hearts or \heartsuit just renders heart with white filled bg.

4. \colorbox treats this as a box/rectangle, thus hiding the shape obviously.

   Please see this in new tab

5. I get it that club and spade are black and the diamonds and heart are red in a deck, but I want heart symbol in black as well.

6. Okay, can use \blacklozenge for diamond. But no clue for heart.
   How can I get that? Thanks.

Asked on Stack Overflow too : https://stackoverflow.com/questions/64043621/how-to-get-a-heart-filled-of-black-color-in-katex

[ronkok]

KaTeX \hearts and \heartsuit render a heart outline, ♡, U+2661, , so they do not help you. The Unicode character for a filled heart is ♥, U+2665. That glyph is not in the KaTeX fonts, but you can still use it and KaTeX will substitute the glyph from the Times New Roman system font.

KaTeX emulates LaTeX, and this is not a LaTeX function, so KaTeX will write at least one error to the console (two if in strict mode). If you don't mind a console error, then no worries. KaTeX does render the heart. Just copy ♥ and paste it into your work.

[AjayDhimanELS]

Actually, I also thought of this. But 🖤 will not work

[AjayDhimanELS]

Hmm. Until there's any further update to this. This is what we'll have to work with. Thanks for this.

[edemaine]

Looking at the LaTeX symbols list, there are a few packages that offer \varheartsuit as a filled variant of the heart. Something we could eventually add to KaTeX's fonts...