We explain, elsewhere [117505] the lack of agreed definition of 'cream'. To illustrate this we show a picture of various papers sold under the label 'cream'. One firm's 'cream' is another's 'ivory'
If you wish to obtain a match for a particular shade of cream then the only way is to inspect and shop on the High Street, or to buy a sheet or two by post from a supplier who will provide the same stuff again. It helps to note the brand-name of the product that meets your need.