Augustus John was a master of capturing the essence of his subjects with a few bold strokes of his brush. John's use of colour is bold and expressive, adding depth and dimension to his paintings. John's style was characterised by its spontaneity and vitality. He often worked quickly, using loose brushwork and dynamic compositions to convey a sense of movement and energy in his paintings.

Dorelia in Blue Coat" is a captivating portrait that epitomises the artist's ability to infuse his subjects with personality, charm, and depth. Augustus John, celebrated for his expressive and emotive portraiture, presents Dorelia McNeill, his muse and companion, with a sense of intimacy and affection. In this artwork, Dorelia is depicted wearing a striking blue coat, which commands attention within the composition. The vibrant hue of the coat contrasts beautifully with the softer tones of Dorelia's skin and hair, creating a sense of visual dynamism and energy. Dorelia's gaze is direct and engaging, her expression serene yet enigmatic, inviting the viewer to contemplate her inner thoughts and emotions.

John's brushwork is fluid and expressive, with bold, gestural strokes that capture the essence of Dorelia's presence. The texture of the paint adds depth and dimension to the portrait, enhancing the sense of realism and immediacy. The background, kept relatively simple, allows Dorelia to stand out as the focal point of the composition, emphasizing her importance within the frame. The interplay of light and shadow adds depth and complexity to the portrait, accentuating Dorelia's features and adding to the overall mood of the piece.