From a visual standpoint, grey highlight makes selection look deselected rather than selected. A brighter color would quickly provide visual feedback on an action.
With this patch the color of selected rows look more highlighted.
Branch
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master
Details
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http://git.postgresql.org/gitweb?p=pgadmin4.git;a=commitdiff;h=eb89998dc0b5ad461058fb389b4e45245f014032
Author: Joao Pedro De Almeida Pereira <jdealmeidapereira(at)pivotal(dot)io>
Modified Files
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web/pgadmin/tools/sqleditor/static/css/sqleditor.css | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)