If there seems to be some mucus, and if u noticed that he is feeling uneasy, then you might want to send bb to the PD. Otherwise the colour and consistency looks ok for mix fed bb. You can also refer to this chart.
How old is baby, is baby on formula, bm or has he/she started in solids?
Baby is 1 month old. Currently mixed feeding of fm and bm
Alia Demelda Sharma