Colours Quiz C\d 21St January

[canasta]

really stuck on the last few answers now an think I must be missing something obvious. Can anyone help please? The answers are all colours

49; In 1787 the top of this was removed and is now in a museum in the Netherlands (4,5)

55; could describe a person who is unswervingly faithful, especially to a political party (4,4)

69; A boiled flour pudding with raisins (4,4)

[bookbinder]

55 true blue

[Fibonacci]

55 true blue ?

[bookbinder]

69 plum duff?

[Fibonacci]

69 plum duff

[Fibonacci]

49 mont blanc
https://en.m.wikipedia.org/wiki/Top_of_the_Mont_Blanc

[canasta]

Thank you so much for your speedy answers

[Fibonacci]

Full quiz details: Colours Quiz In Aid Of The Alzheimer's Society
90 General Knowledge & Cryptic Clues to Colours and Colour Related Answers.
£10 1st Prize, £5 2nd Prize & £5 Random Draw Entry. Closing Date: 21st January 2017. Available from: [email protected] or with a s.a.e. from: Mrs. C. McClure, 39 Colne Street, Newport, Gwent NP19 0AQ to pay on return.