Google may have leaked the upcoming Pixel Buds A TWS headset all by itself with an email it sent out to Nest owners. The image features the buds in their charging case and while they look very similar to the second generation Buds, there’s a key difference.
The buds themselves and the interior of the charging case are both green. A darker shade of green than the Quite Mint found on the premium Buds (which also have a dual tone design not seen in the leaked image). Here’s an image of them for comparison: