Filling with color
Painting objects with colors, gradients, or patterns is done using a combination of palettes and tools—including the Color palette, the Swatches palette, the Gradient palette, the Stroke palette, and the paint buttons in the toolbox, which let you select and change an object's paint and line attributes.
You'll begin by filling an object with color. Filling an object paints the area enclosed by the path.
When you reset the defaults, the Color palette and Swatches palette appear automatically on-screen when starting Adobe Illustrator.
Click the Swatches tab to bring the palette to the front of its group. (If the Color and Swatches palettes aren't visible, display them by choosing Window > Color and Window > Swatches; a check ...