Grand Taps UK currently have released a marvelous range of mosaic tiles. Yay! Mosaic means colour, yes? Yes. Not sure which to pick? Have a glance at the rainbow-like infographic below, it’ll explain just when and why to use colour. colour psychology doesn’t just relate to tile and paint colours, it applies to every instance where colour is involved – branding, clothing, accessories, cars, (insert colourful item here), (and here) – you get the point.