Visual Studio 使用三种颜色来跟踪更改；黄色(保存前的变化)、绿色(保存后的变化)和橙色strong>(恢复的更改).

Visual Studio uses three colours to track changes; yellow (a change before saving), green (a change after saving) and orange (a reverted change).

见工具>选项 >字体和颜色 >跟踪更改以查看这些颜色.

在深色视觉主题中，橙色被替换为蓝色.

In dark visual themes, the orange is replaced with blue.

参见这个问题(和这个答案) 了解更多详情.

See this question (and this answer) for more details.