Gather paints: yellow, orange, red, pink, purple, blue, white, black
Choose a canvas or paper
Lightly sketch the horizon line
Paint the sky with the lightest color near the horizon
Blend in orange, pink, and red above it
Add purple and blue toward the top
Smooth the transitions with a clean brush
Paint the sun near the horizon if desired
Add clouds with soft strokes and warm colors
Paint the land, water, or silhouettes below the horizon
Deepen shadows with darker tones
Add reflections on water if needed
Let the painting dry
Add final highlights and details