What is this colourful caterpillar?

What is this colourful caterpillar?

Observation - What is this colourful caterpillar?. Description: On baked earth track between reeds and grass and brambles on cliff top by sea. About two inches long and elegant. White, brown, blue, black, gold and grey stripes. Pale brown/grey fringe along length brushing ground.

On baked earth track between reeds and grass and brambles on cliff top by sea.

About two inches long and elegant.

White, brown, blue, black, gold and grey stripes.

Pale brown/grey fringe along length brushing ground.