The phrase "except for blue" is grammatically correct and can be used in written English.
It means excluding or not including the color blue. Example: "I love all the colors in this painting except for blue, it just doesn't seem to fit in."
Soon roads on main city centre routes will ban all parking except for blue badge holders, and spaces available in the Cardiff East park and ride will be increased to 750.
(All of the services I saw allow you to select from several meal options each week, except for Purple Carrot, which has a set menu). The majority of the meals on these plans come in at between 500 and 800 calories, and all those I compared offered a nutritional breakdown for each recipe, except for Blue Apron, which lists only the calories per portion.
Scales are hued for all colours in this manner except for blue and green.
Mars performed the song with a piano player and a Hammond B3 player and no stage production except for blue lighting.
The Thai government has notified and provided all kinds of domestic support allowed by the AoA, except for Blue Box measures.
They come in every color except for blue.
"Except for blue-chip artists like Traylor and Ramirez and Edmondson, and a few others," he said, "the prices are really iffy -- every single piece, every artist.
The house was dark, except for the blue glow of the TV.
It was a cloudy day, so the room was dark except for the blue glow of a video that showed a performance at the spring playing on an endless loop on her otherwise never-watched television.
Her dark hair -- except for one blue streak -- goes with her black leather jacket and black boots.
Except for the blue stains that then covered his shirt.
