third_party/blink/web_tests/css3/filters/effect-brightness.html

<img style="filter: brightness(-1)" src="resources/reference.png">
<img style="filter: brightness(-0.6)" src="resources/reference.png">
<img style="filter: brightness(-0.3)" src="resources/reference.png">
<img style="filter: brightness()" src="resources/reference.png">
<img style="filter: brightness(0.3)" src="resources/reference.png">
<img style="filter: brightness(0.6)" src="resources/reference.png">
<img style="filter: brightness(1)" src="resources/reference.png">