'Soleil d'Or' is the first yellow rose introduced and  the ancestor of the modern hybrid tea rose. Some of Pernet-Ducher's early successes are considered to be two of the most popular of all the 19th century Hybrid tea roses: 'Madame Caroline Testout' (1890) and 'Mme Abel Chatenay' (1895).
'Soleil d'Or', the first yellow rose, is a key ancestor of modern hybrid tea roses. Pernet-Ducher's early successes with 'Madame Caroline Testout' and 'Mme Abel Chatenay' are considered among the most popular hybrid tea roses of the 19th century.