Hello
I generated Microsoft Color font(CPAL/COLR) and It works well because the font is in color.
Then, I generated svg color font from MS color font in accordance with Option B https://glyphsapp.com/tutorials/creating-an-svg-color-font
File > Font Info > Instances > Color Layers to SVG
Yes, The font generated is in color. but both fonts (Ms-color and Svg) look the same.
My question is how to know the font is SVG or Ms-color font.
You can control what color table are exported by custom parameters in the instance settings: Export COLR Table and Export SVG Table. Leave the checkbox empty to not export the table.