our eyes welcome green color combinations — you never think “that flower is clashing with those leaves” — so the list of colors that go with green is, joyfully, endless. Emerald green is a ...

One feature of compounds made with transition metals is their intense colour. There are many examples in nature, including ...

Two distinct yellow lateral strips mark their thorax and fade into white as the dragonflies age. A brilliant, emerald-green color covers their enormous eyes, which possess almost 360-degree peripheral ...