Plascon architectural greys: colour inspirationplascon trends, Monday may be more well-known as "blue monday" but we at plascon have decided to make it a grey start to the week with some plascon architectural greys. Plascon colour forecastplascon trends, Introducing the plascon colour forecast 2014. plascon’s yearly colour forecast presents a snapshot of what is happening in the worlds of design and interior. Painting faq diy guides- plascon diy, Hi rosa, thank you for your query and for your kind words re our facebook adverts! plascon does produce 250ml tester pots, which can be tinted into various colours. Maroun' group, Welcome to the marouns group of companies. maroun's group are market leaders in the supply of automotive paints, consumables, equipment, tools and allied products for.