Final answer:
The orangish-yellow color is the key code that serves as an asset of identity and recognition for Veuve Clicquot, making it stand out in luxury champagne branding.
Step-by-step explanation:
The key code that is an asset of identity and recognition for Veuve Clicquot is c. The orangish-yellow color. This color has become synonymous with the brand and is a significant element of Veuve Clicquot's branding. It distinguishes their products and promotional materials in the crowded marketplace of luxury champagnes. In the world of advertising and art, such as with the poster for Moet & Chandon Cremant Imperial by Mucha, the use of color and design elements can play a critical role in conveying a certain image or identity. Mucha's use of soft blues, whites, pink, and brown in his poster aimed to give it a sophisticated look, which aligns with the luxury perception of expensive champagnes. Likewise, Veuve Clicquot's orangish-yellow color works to not only grab attention but also maintain a consistent and recognizable brand identity.