Hey @michaelriedler
Is this the chart you are looking for?
Preview:
My Page (bubbleapps.io)
Editor:
Artisan-plugnplay | Bubble Editor
Heatmap Module:
To add z values as labels you just need to set text template to %{z} and you can set your color scale colors and values in their corresponding fields:
Option Modules:
I used the Axis module to put the x axis on top but there are also more options if you need more customizations.
The Configuration module is used just to change the plot area BG color.
Please let me know if you have any questions.
Best,
Mehrdad