Is the WhatsApp green tick still green?
Not anymore. Meta unified its verification badge across WhatsApp, Instagram and Facebook, so the mark most people still search for as the green tick now shows as a blue checkmark. If your account already had a green tick, it turned blue on its own, with no reapplication and no extra cost.
What the badge means did not change. It still marks a verified, authentic business, and it still shows your business name in place of a bare phone number. Only the color and the shared naming moved, which is why searches for "green tick" and "blue tick" now point at the same thing.