D7424: Very slightly increase text contrast for the default Breeze color scheme

[Nathaniel Graham]

ngraham planned changes to this revision.

REPOSITORY
  R31 Breeze

REVISION DETAIL
  https://phabricator.kde.org/D7424

To: ngraham, hpereiradacosta, jensreuterberg, jriddell, kvermette, #vdg
Cc: januz, progwolff, broulik, sebas, plasma-devel, ZrenBot, lesliezhai, 
ali-mohamed, jensreuterberg, abetts, apol, mart