77七

@echo off
set "old1=#ff0000"
set "new1=#c10000"
set "old2=#00ff00"
set "new2=#009d00"
for /f "delims=" %%i in ('dir /b /s /a-d *.html') do (
	(for /f "delims=" %%a in ('findstr /n .* "%%i"') do (
		set "str=%%a"
		setlocal enabledelayedexpansion
		set "str=!str:%old1%=%new1%!"
		set "str=!str:%old2%=%new2%!"
		echo=!str:*:=!
		endlocal
	))>"xxx.html"
	move /y "xxx.html" "%%i"
)
pause
复制代码

@echo off
for /f "delims=" %%i in ('dir /b /s /a-d *.html') do (
	sed -i "s/#ff0000/#c10000/g;s/#00ff00/#009d00/g" "%%i"
)
pause
复制代码

使用前先测试！