inputting colors

[lheagy]

In this paper, Dom uses small squares where the colors are defined in latex in a table to indicate specific geologic units (e.g. see the latex for table 1 here)

In the paper, it renders like this

while in Myst, it renders like this:

Is there a way to do something like this in Myst?

[tetikshajain]

@lheagy There was an error in crule command which I updated but latex is still not rendering the command properly