Final answer:
The French flag colors established in 1790 are blue, white, and red which symbolize the revolutionary spirit and the fight for liberty during the French Revolution.
Step-by-step explanation:
The colors of the French flag, established in 1790, are blue, white, and red. The blue and red are the traditional colors of Paris, while white was the color of the House of Bourbon, which ruled France at the time. This tricolor design became a powerful symbol during the French Revolution and was associated with the revolutionary spirit and the fight for liberty. It crystallized as the national flag during the formation of the First French Republic.