We will not repeat with Vasari that Fra Giovanni perfected his art from the frescoes of the Brancacci Chapel; but we do not doubt that he too felt the beneficent influx of the new style, of which Masaccio was the greatest champion, and that he followed it, leaving behind, up to a certain point, the primitive giottesque forms. There is in his art, the great mediæval ideal rejuvenated and reinvigorated by the spirit of newer times. Being in the beginning of his career, as is generally believed, only an illuminator, he continued, with subtle delicacy and accurate, almost timid design, to illuminate in larger proportions on his panels, those figures which are often only parts of a decorative whole. But in his later works while still preserving the simplicity of handling, and the innate character of his style, he displays a new tendency, and learns to give life to his figures, not only by the expression of purity and sweet ecstasy, but in finer particularization of form and action which he reproduces in more material style.
His clear diaphanous transparency of colouring is not used from lack of technical ability, but to approach more nearly to his ideal of celestial and divine visions, and succeed in a species of pictorial religious symbolism.
In the midst of his calm and serene compositions Fra Angelico has figures in which a healthy realism is strongly accentuated; figures drawn with decision, strong chiaro-scuro and robust colouring, which show that he did not deliberately disdain the progress made in art by his contemporaries. Indeed we should err in believing that Fra Angelico was unwilling to recognize the artistic developments going on around him, and the new tendencies followed by his eminent neighbours Ghiberti, Brunelleschi and Donatello. It was not so; but he only profited by the movement as far as he deemed possible without losing his own sentiment and character; thus giving a rare example of self-knowledge.
Perhaps he divined that if he had followed the new current too closely, it would have carried him farther than he wished to go; that the new manner would have removed him for ever from his ideal; in a word, that too intense study of the real, would have diminished or entirely impeded fantasy and feeling. He instinctively saw these perils, and therefore kept himself constant to his old style, and while perfecting himself in it, he still remained what he always had been, and what he felt he should be.