Finnish paint maker Tikkurila lets you order its colour cards and painted colour chips online at £0.00, and its product page states that sample pots, colour cards and chips are delivered free in 2–3 working days.

There are 14 free items to choose from, including the Feel the Colour card (216 popular interior shades), the Deco Grey card, the Endangered Colours chips, the Taika metallic and pearlescent card and the Puutalot wooden-facade card. The colour chips are A7 painted swatches you can move around the room in different light.

Add the cards you want to the basket and check out with no payment – handy if you are planning a redecoration and want to compare real painted shades at home before buying.