Planet Earth (consistently voted The Greatest Planet in The Known Universe) only becomes better the more you observe it. Hikers and runners observe it in one way. Photographers another. Artists, gardeners and poets yet another. As we observe we note many aspects which we had missed as a child or a young adult or even as someone 'too busy'. The sheer mass and solidity of a rock formation. The abundance of the meadow. That awe-inspiring night sky.
Start with colour. Start with the Ancient Greeks (always a great place to start). What about a colour krokopeplos, the colour of saffron. Read more here.