Dark black and red.

Word decomposition

The explanation of the sky is high above: the sky. Sky. Plough (Big Dipper). Tianyuan (heaven and abyss, different metaphors) The sky is boundless. Top: The top of the sky (the blank space at the top of the page). Climate: weather. It's very cold. Season, season: winter. The explanation of "sky, green" is green: dark green or light blue: turquoise. Green grass. Moss. Young crops. Vegetables Onion. Green mountains and green waters. Reach the summit. Eternal and unchanging. Green things: hiking. Green and yellow don't connect. Indigo: Indigo. Violette. Shine on you more than blue.