The cap color can be variable: when young it is yellow with some orange, later becoming lime green.

The cap color varies from deep yellow to reddish orange and is 2-4 cm wide.

Like the cap color, stem size is also affected by the type of light received during fruit body maturation.

The cap color is whitish, sometimes pale brownish at the center.

The cap color can range from whitish to dark reddish brown.

The cap color is yellowish-brown to tawny in older specimens.

In the field, A. flavorubescens can usually be distinguished by its yellow cap color.

The cap color is dark brown or soot-brown but always has a bluish tinge.

The secondary mentioned species, are significantly different in cap colour only.

Their cap colours include red, brown, yellow, blue and green and can be easily spotted.