Final answer:
The Spanish were enthralled with the discovery of the color red due to its visual impact and symbolization of power, wealth, and prestige during the Spanish Renaissance.
Step-by-step explanation:
The Spanish were enthralled with the discovery of the color red because it was a vibrant and visually striking color that stood out in their artwork. The influence of Islamic art in Spain also played a role in their fascination with red. Art historians believe that the Spanish were inspired by Islamic Spain's use of vibrant colors in their artistic works. Additionally, the color red symbolized power, wealth, and prestige during the Spanish Renaissance. Red pigments were expensive and difficult to obtain, so their use in artwork represented the wealth and luxury of the Spanish Empire.