I agree that bumblebees are going out unless its a het. And its hard to find a good quality lemon blast.
I'd go with something with yellowbelly or black pewter like jinx suggested.
Maybe go for some single gene hets. For example: pastel het hypo, mojaves het hypo, spider het hypo, etc etc.
There's a lot of neat things that come out of recessive gene breedings.
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