how to add coloured shapes icons

how to add below coloured icon using html parameter in dimension

Hello,

You can use the html parameter to solve for this, examples can be found here: https://www.googlecloudcommunity.com/gc/Modeling/Conditional-formatting-of-color-or-images-within-table-cells/m-p/569580 and here: https://cloud.google.com/looker/docs/formatting-data-values