The painter that I used before Paint.net, had a tool 'Convert to 256 colors' with the option 'Include Windows Colors'. If this option is checked, the first 16 colors of the palette are the Windows standard colors and the remaining 240 are used for the colors in the image (the nearest one if there is a conversion from 24 to 8 bit).
Shanghai is the world's second largest city by scientific outputs and home to several highly ranked universities, including Fudan, Shanghai Jiao Tong and Tongji. [16] The Shanghai Metro, first opened in 1993, is the largest metro network in the world by route length.
Have no idea what to do in Shanghai? Don't worry. This well-selected list of things to do in Shanghai will stop you from missing any of the highlights.
The world's third-largest city, Shanghai blends rich history, fabulous food and a legendary skyscraping skyline. Here are the top things to do.
The 16 best things to do in Shanghai, China - Lonely Planet
Shanghai, city and province-level shi (municipality), east-central China. It is one of the world’s largest seaports and a major industrial and commercial centre of China.
Shanghai is a luxurious playground for the well-heeled, with Michelin-star dining, high-end fashion houses, and over-the-top hotels. The Huangpu River splits the city into two districts: Pudong and Puxi.
Shanghai, China: All You Must Know Before You Go (2026) - Tripadvisor
Shanghai, a municipality directly under the central government of China, is a modern international metropolis known for its inclusivity, pursuit of excellence, openness, and humility.