The orange sauce in Chinese food is called Duck Sauce, which is a sweet, fruity like jelly condiment sauce for dipping fried foods.
Another variation of duck sauce is orange sauce as Panda Express for example, which is a tangy and citrusy sauce that is used for saucing crispy chicken, shrimp or vegetables and is made with orange juice, soy sauce, vinegar, sugar and ginger as well as garlic.
Duck sauce is more of a sweet and sour dip, and orange sauce is a glaze and coating.
The red sauce you get with Chinese food is often sweet and sour sauce that is found American Chinese restaurants, which is a vibrant, tangy and sweet condiment which is made from tomato paste or ketchup, sugar, vinegar and pineapple juice that is also thickened with cornstarch.
The red sweet and sour sauce is often used for dipping spring rolls, egg rolls and even fried foods.
Although there's also other Chinese red sauces that you get with Chinese food which include Sichuan chili oil that is often with fermented beans and even some other sauces.
The red Chinese sauces are commonly called spicy Sichuan Chili Oil and sometimes sweet and sour Chinese Red Sauce.
The spicy Sichuan Chili Oil red sauce is a tangy, sweet and sour sauce also known as Hong You.
Spicy Sichuan Chili Oil is a fiery, aromatic oil that is infused with chili flakes, Sichuan peppercorns, and spices and is used as a condiment or cooking base.
Other red Chinese sauces are Doubanjiang also known as spicy red bean paste, sweet chili sauce and Cuihong red hot chili sauce.
Sweet and sour Chinese red sauce is a classic Chinese takeout staple, which is usually red or pink and combines sugar, vinegar as well as often ketchup or pineapple juice for sweetness and tang.
Doubanjiang spicy bean paste is a fermented bean paste with chilies, which provide deep, savory heat, often used in Sichuan dishes like Mapo Tofu.
Sweet chili sauce is a sauce that has a balance of sweet and spicy, which often is made with red chilies, vinegar, sugar, and garlic and is popular as a dip.
Cuihong red hot chili sauce is a specific brand of Chinese red sauce that is known for being spicy, fragrant, and addictive, with ingredients like garlic, chili powder and Sichuan pepper.
Another Chinese reddish sauce is Yuxiang "fish fragrant" sauce, which is a Sichuan sauce with dried chilies, Sichuan peppercorns and hot bean paste, which gives it a complex, spicy sweet and sour flavor.