Colour Change Collection

Cuttlefish (Sepia officinalis) changing its colour to a bright blue, Tenerife, Canary Islands

The Trossachs Pier and Loch Katrine - Loch Lomond and the Trossachs National Park, Scotland. Date: circa 1904

Grey Cat (Felis catus) walking with its tail raised, side view

Plant odour research. Tray of thale cress (Arabidopsis thaliana) planets. These plants have been genetically engineered to change colour in response to olfactory stimuli (smells)

Mountain hare moulting
Mountain hare (Lepus timidus) moulting. This species of hare is found across Northern Europe from Scandinavia to Siberia, inhabiting moorland and mountainous areas

Mountain hare (Lepus timidus) moulting. This species of hare is found across Northern Europe from Scandinavia to Siberia, inhabiting moorland and mountainous areas

Litmus solution added to alkali
Litmus solution being added to an alkali. Litmus is an indicator, a chemical that has a different colour depending on whether it is in an acidic or alkaline environment. In alkalis it is purple/blue

Litmus solution added to acid
Litmus solution being added to an acid. Litmus is an indicator, a chemical that has a different colour depending on whether it is in an acidic or alkaline environment. In acids it is red

Narrow leaved ash (Fraxinus angustifolia)
Narrow leaved ash trees (Fraxinus angustifolia) beginning to change colour in autumn

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Discover the magical world of color change. 🌈 From the depths of the ocean, the clever Cuttlefish (Sepia officinalis) camouflages itself, transforming into a bright blue hue against the backdrop of Tenerife's azure waters. On land, the Grey Cat (Felis catus) raises its tail, displaying a warning signal in a flash of gray. In Scotland's Trossachs, the pier reflects on the tranquil surface of Loch Katrine, while the Narrow-leaved Ash (Fraxinus angustifolia) tree dons its autumnal hues. Up in the mountains, the Mountain Hare sheds its brown coat, revealing a snow-white disguise during moulting season. And in the lab, a simple Litmus solution reveals the pH secrets, turning red in acid and blue in alkali. Nature's colorful palette never ceases to amaze us.