## 2 Literature Review
### The Importance of Color Design in Marine Cities  
Urban color design holds profound significance within the context of marine cities, as it encompasses both the inherent challenges and unique characteristics of these coastal environments. Here, we delve into several compelling reasons why holistic urban color design is of paramount importance for marine cities:  
Enhancing the Oceanic Experience: Urban color design serves as a dynamic conduit for enhancing the overall experience of residents and visitors in marine cities. By skillfully incorporating colors inspired by the natural surroundings, such as the serene ocean blues and vibrant coastal hues, the urban landscape can seamlessly merge with its maritime backdrop. This aesthetic synergy not only fosters a deeper sense of place but also forges a profound emotional connection between individuals and the ever-present allure of the ocean.  
Celebrating Coastal Identity and Culture: Marine cities often boast rich coastal identities and vibrant cultural traditions. Holistic urban color design offers an invaluable canvas to visually express and celebrate these unique characteristics. By infusing urban spaces with colors, patterns, and design elements rooted in local heritage, traditions, and maritime history, these cities can proudly showcase their coastal identity. Such endeavors cultivate a profound sense of pride and belonging among residents, reinforcing the cultural tapestry of the coastal community.  
Advocating Sustainability and Environmental Awareness: The color palette chosen for urban design carries the potential to convey powerful messages about sustainability and environmental consciousness, a particularly vital aspect for marine cities. These urban environments confront distinctive environmental challenges, including rising sea levels and marine conservation imperatives. Thoughfully selected colors within urban design can serve as conduits for raising awareness and encouraging sustainable practices. Forinstance, the strategic incorporation of shades of green and blue in urban infrastructure and public spaces evokes a tangible connection with nature, championing the preservation of the ocean ecosystem.  
Mitigating Climate and Heat Effects: Urban color design, when judiciously applied, contributes significantly to ameliorating the impact of climate and heat in marine cities. The incorporation of lighter colors in building facades, pavements, and urban materials reflects sunlight and heat, resulting in reduced heat absorption and a mitigation of the urban heat island effect. This not only enhances the comfort of residents and visitors but also bolsters energy efficiency, advancing the cause of sustainability in these coastal urban environments.  
Facilitating Wayfinding and Ensuring Safety: Urban color design takes on an instrumental role in aiding wayfinding and safeguarding the well-being of residents and tourists. By employing distinct colors or color schemes for landmarks, signage, and public infrastructure, marine cities can create a clear and intuitive visual hierarchy. This enhancement in navigability empowers individuals to easily identify key locations, ensuring they can navigate the urban landscape with ease and confidence. This is particularly crucial along waterfront areas where safety and security are paramount.  
A holistic urban color design approach tailored to marine cities transcends mere aesthetics; it becomes a conduit for cultivating a profound sense of place, championing sustainability, celebrating coastal identity, mitigating climate challenges, and ensuring navigational safety. By carefully curating colors and design elements inspired by the oceanic environment, marine cities can evolve into vibrant, sustainable, and harmonious spaces that seamlessly coexist with their coastal surroundings, ultimately offering an enriching experience for residents and visitors alike.