And before you say, yes i know i can code that - but should i need to?

I think it's Billy Bird's son, off with dad to somewhere nice. :-)

Funny thing I realised — the visuals also borrow from the style of Indian political posters: bold colours, stacked type, loud contrast. It’s a nice cross-cultural mash-up with the NYC storefront vibe.

See, 3 minutes. Invoice in the post.

Oh and whilst you could go the Pantone route and use a specific ink. This costs extra and won't account for sending out PDFs to customers who print on their office printer.

Capturing the same vibrancy on screen in CMYK is a pain (ever since Pantone ditched their neon swatches). Start with your CMYK print-based colours first then convert to web. Not the other way round.