Given a reference text about Pultenaea empetrifolia, tell me the colors of its flowers.

Context: Pultenaea empetrifolia is a species of flowering plant in the family Fabaceae and is endemic to the south-west of Western Australia. It is a spindly, prostrate or spreading shrub with down-curved, cylindrical, grooved leaves and yellow to orange and red flowers.

Description
Pultenaea empetrifolia is a spindly, prostrate or spreading shrub that typically grows to a height of up to 40 cm and has glabrous stems. The leaves are cylindrical and curved strongly downwards with one or two grooves along the lower surface, 3–4.5 mm long and 0.6–1.0 mm wide with stipules at the base. The flowers are yellow to orange and red, and sessile or on a pedicel about up to 0.5 mm long. The sepals are hairy and 4.0–4.6 mm long with hairy bracteoles 1.5–3 mm long at the base. The standard petal is 8.0–8.5 mm long, the wings 7–8 mm long and the keel 6.2–7.0 mm long. Flowering occurs from September to October and the fruit is a pod.

Answer: The Pultenaea empetrifolia has yellow to orange and red flowers.