
1) Gothic architecture 2) Horse coat color 3) Shade of white 4) Shade of yellow
Found on
https://www.crosswordclues.com/clue/isabelline

Isabelline is a term that refers to: ...
Found on
http://en.wikipedia.org/wiki/Isabelline
[colour] Isabelline n, also known as Isabella, is a pale grey-yellow, pale fawn, pale cream-brown or parchment colour. It is primarily found in animal coat colouring, particularly plumage colour in birds and, in Europe, in horses. It also has historically been applied to fashion. The first known record of the word was in 1600 as `Isabella c...
Found on
http://en.wikipedia.org/wiki/Isabelline_(colour)

greyish yellow
Found on
http://phrontistery.info/i.html

• (a.) Of an isabel or isabella color.
Found on
http://thinkexist.com/dictionary/meaning/isabelline/

vigorous, inventive, and cosmopolitan architectural style created during the joint reign of Ferdinand of Aragon and Isabella of Castile, which in ... [2 related articles]
Found on
http://www.britannica.com/eb/a-z/i/41
Is`a·bel'line adjective Of an isabel or isabella color.
Found on
http://www.encyclo.co.uk/webster/I/100

Greyish yellow.
Found on
https://www.encyclo.co.uk/local/22222
No exact match found.