No, crele describes a bird that is barred and based on a duckwing pattern(wildtype like crele OEG) it can also be based on eb brown like crele penedesenca, but it cant not be based on Birchen like silver/golden cuckoo marans
Silver cuckoo maran rooster over a Golden cuckoo maran hen will produce Silver cuckoo maran hens and gentically golden(S/s+) cuckoo maran roosters with a hackle and saddle(shoulders too) shade of a lemon color(between golden and silver)..