Franco-Belges Crystal Vienna (Caravienne) Malt is a type of crystal malt with a color level around the Vienna malt range. It typically has a color rating in the vicinity of 20-25 Lovibond. This malt is known for imparting a rich, caramel sweetness, and enhancing the amber to orange color in beers. It can also contribute to the fullness and improve the mouthfeel of the final product.

Suitable beer styles for Franco-Belges Crystal Vienna (Caravienne) Malt include:

1. Belgian Ales: Caravienne malt is a popular choice in many Belgian style ales, where it adds depth and sweetness, balancing the fruity esters and spiciness typical of these beers.

2. Pale Ales and IPAs: This malt can enhance the malt backbone, add color, and balance the bitterness of hop-forward beers.

3. Vienna Lagers: Crystal Vienna malt can be used to enhance the malt character, sweetness, and color of Vienna lagers.

4. Amber and Red Ales: The malt helps in achieving a deeper color and a more pronounced caramel flavor in amber and red ales.

5. Märzen and Oktoberfest Beers: The malt adds a layer of sweetness and contributes to the rich malt character of these traditional German lagers.

6. Saison: It can be used to add complexity and a touch of residual sweetness to this farmhouse ale style.

7. Bock and Doppelbock: The malt can contribute to the malt sweetness and the overall richness of these strong lagers.