Isabelline (colour) of the cream gene, an incomplete dominant dilution gene that produces a horse with a gold coat and dark eyes when heterozygous, and a light cream-coloured horse with blue eyes when homozygous. A subspecies of the Himalayan brown bear ("Ursus arctos isabellinus") was named subspecifically for the colour and is also sometimes known as the isabelline bear. The description has also been used in the UK for fawn coloured Doberman dogs. Isabelline (colour) Isabelline , 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
The Missing Shade of Blue people to recognise that there is a missing shade than it is for them to actually form a clear idea of that missing shade. Be that as it may, this dissolving of the problem fails to meet the second and third criteria listed above. Mental mixing is the solution proposed by Morris. The idea here is that just as paints are mixed to produce the range of colour swatches found in a hardware store, so it should be possible for colours to be mixed in the mind in some kind of analogous way. However, without further argument it is not