couleur de rose en · ADJ
Etymology
Unadapted borrowing from French couleur de rose (literally “rose-coloured”).
Meanings
-
(dated, not-comparable) Favourable; ideal.
[…] lo! my enchantress appeared at the head of the room, and without her constant attendant, Lord Ryecourt, to whom I had an unutterable aversion. In an instant the mists vanished, and every thing appeared couleur de rose.
1823, Mammon in London; or, The spy of the day, page 199:Everything seemed couleur de rose. I had a flat in the Champs Elysées, and I really think that those days were among the happiest that I ever spent: certainly they were among the most inconsequent.
1925, Nellie Melba, Melodies and Memories, page 87: