Caterpillar on broccoli

Caterpillar on broccoli

Observation - Caterpillar on broccoli - UK and Ireland. Description: The caterpillar was approximately 3cm long. Clearly enjoying some tender organic broccoli. The colour was a slightly pinkish beige though the caterpillar appeared yellowish in one of my photos. Can anybody identify it?

The caterpillar was approximately 3cm long. Clearly enjoying some tender organic broccoli.
The colour was a slightly pinkish beige though the caterpillar appeared yellowish in one of my photos.
Can anybody identify it?