Final answer:
The trope described is exoticization, which simplifies and misrepresents Latin and Latina/o cultures in popular media, and contributes to pervasive stereotypes and cultural inaccuracies.
Step-by-step explanation:
The trope described in the question that homogenizes Latin and Latina/o culture and revolves around sexualization, the use of bright colors, rhythmic music, and a certain skin tone is exoticization. It is a common practice in media and popular culture to portray various ethnic and racial groups in a way that emphasizes a stereotypical and often superficial notion of 'exotic' allure that is not representative of the complex realities of those groups. This is seen when other cultures are portrayed through narrow, often sexualized lenses, such as the primitivist and orientalist stereotypes that simplify and misrepresent African and Asian cultures respectively. Moreover, practices like assimilation can contribute to the loss of cultural specificity.
When considering Latin and Latina/o characterizations in popular culture, they are oftentimes reduced to a collection of stereotypes, which contributes to misrepresentation and diminishes the rich variety of individual identities and cultural practices within these communities. The incorrect and simplified use of cultural elements can be insulting to the people represented, and it perpetuates a long history of cultural inaccuracies and biases. The term 'Latino' itself is complex and diverse, encompassing a wide range of racial and cultural identities, and should not be limited to stereotypical images.