设置方法参考如下
VS Code自定义代码颜色，看这一篇就够了

个人配置如下

    "workbench.colorTheme": "Default Dark+",        
    "editor.tokenColorCustomizations": {
        "[Default Dark+]": {
            "textMateRules": [
                //浅青色        4FC1FF  4EC9B0
                //深绿色        6A9955
                //浅蓝色 注释   9CDCFE
                //深蓝色 函数   569CD6
                //红色          C0526A
                //紫色          C586C0
                //橙色          CE9178
                
                {
                    "scope": "comment",   //注释
                    "settings": {"foreground": "#569CD6"}  //6A9955
                },
                {
                    "scope": "punctuation.definition.comment",   //注释
                    "settings": {"foreground": "#569CD6"}  //4FC1FF
                },
                // { "scope": "variable",   //变量
                //     "settings": {"foreground": "#6A9955"}  //4FC1FF
                // },
                { "scope": "variable.other.readwrite",   //变量
                    "settings": {"foreground": "#4EC9B0"}  //4FC1FF
                },                 
                { "scope": "variable.other.constant",   //变量const
                    "settings": {"foreground": "#4EC9B0"}  //4FC1FF
                },       
                { "scope": "variable.parameter",   //变量函数参数
                    "settings": {"foreground": "#4EC9B0"}  //4FC1FF
                },         
                { "scope": "variable.other.property",   //变量 结构体成员
                    "settings": {"foreground": "#6A9955"}  //4FC1FF
                },  
                { "scope": "variable.other.constant.property",//变量 局部变量结构体成员
                    "settings": {"foreground": "#6A9955"}  //4FC1FF
                },                                                  
                {
                    "scope": "storage.type.built-in",   //变量定义int、char
                    "settings": {"foreground": "#6A9955"}  //4FC1FF
                },
                {
                    "scope": "entity.name.type",   //变量定义 结构体
                    "settings": {"foreground": "#6A9955"}  //4FC1FF
                },                
                {
                    "scope": "storage.modifier",   //static
                    "settings": {"foreground": "#6A9955"}  //4FC1FF
                },                 
                {
                    "scope": "keyword.other",   //typedef
                    "settings": {"foreground": "#C0526A"}  //4FC1FF
                },   
                {
                    "scope": "storage.type",   //枚举
                    "settings": {"foreground": "#C0526A"}  //4FC1FF
                },   
                {
                    "scope": "variable.other.enummember",   //enum
                    "settings": {"foreground": "#C0526A"}  //4FC1FF
                },                                                          
                {
                    "scope": "entity.name.function",   //函数
                    "settings": {"foreground": "#6A9955"}  //569CD6
                },
                {
                    "scope": "keyword.operator.sizeof",   //sizeof
                    "settings": {"foreground": "#6A9955"}  //569CD6
                },                
                {
                    "scope": "keyword.control",   //if ,else, try 等控制符
                    "settings": {"foreground": "#C0526A"}  //C586C0
                },
                {
                    "scope": "entity.name.function.preprocessor",   //宏定义
                    "settings": {"foreground": "#C0526A"}  //#C0526A
                },
                {
                    "scope": "keyword.other.unit.hexadecimal",    //十六进制
                    "settings": {"foreground": "#C0526A"}
                },
                {
                    "scope": "constant.numeric",    //数字
                    "settings": {"foreground": "#C0526A"}
                },
                {
                    "scope": "punctuation.definition.directive",   //#include   #
                    "settings": {"foreground": "#6A9955"}
                },
                {
                    "scope": "keyword.control.directive",   //#include  include
                    "settings": {"foreground": "#6A9955"}
                },
                {
                    "scope": "keyword.operator",   //运算符
                    "settings": {"foreground": "#6A9955"}
                },
                {
                    "scope": "punctuation",   //标点符号
                    "settings": {"foreground": "#C586C0"}
                },
                {
                    "scope": "punctuation.separator",   //标点符号.分隔符.指针访问
                    "settings": {"foreground": "#6A9955"}
                }                
            ]


        }

    },

效果图