[ 'fillType' => Fill::FILL_SOLID, 'startColor' => ['argb' => 'fff2f2f2'], ], ]; } public function array(): array { return [ ['A1', 'B1', 'C1'], ['A2', 'B2', 'C2'], ]; } }; $export->store('with-default-styles.xlsx'); $spreadsheet = $this->read(__DIR__ . '/../Data/Disks/Local/with-default-styles.xlsx', 'Xlsx'); $sheet = $spreadsheet->getDefaultStyle(); $this->assertEquals(Fill::FILL_SOLID, $sheet->getFill()->getFillType()); $this->assertEquals('fff2f2f2', $sheet->getFill()->getStartColor()->getARGB()); } }