Lime Tree 96, £45 for 2.5l perfect matt emulsion, Designers GuildFrom left: Aubusson blue, £39.95 for 2.5l of wall paint; Florence, £19.95 for 1l chalk paint, Annie Sloan; Sumptuous Plum, £27.56 for 2.5l matt emulsion, DuluxInvisible Green, £45 for 2.5l matt emulsion, Edward BulmerFrom left: Lemon Burst, £15 for 2.5l matt emulsion, Wilko; Emerald Isle 2039-20, £21.50 for 0.94l regal select flat range, Benjamin Moore