About half a tub of Harvest Field emulsion paint, so about 1.25 litres or supposedly enough for 15 sq m.
The photos have come up a tiny bit paler than the paint in the tub, although I think it will dry to about the colour of the photos.
It's quite thick and will cover surface imperfections.
Yellow emulsion paint (Kinglassie KY5)
This offer has been gifted to someone and is no longer available.