In Study for ‘Cadmus and Harmonia’, the viewer is greeted with a vibrant palette dominated by rich blues and warm earth tones. The figures of Cadmus and Harmonia are depicted in a lush, mythological landscape, surrounded by flora that enhances their ethereal presence. Cadmus, with his strong posture, appears to be in a moment of contemplation, while Harmonia exudes grace and beauty.

The overall composition draws the eye towards the couple, creating a focal point amidst the detailed background. This painting is executed in oil on canvas, a medium that allows for deep color saturation and fine detail. The brushwork is characteristic of the Pre-Raphaelite style, emphasizing realism and intricate patterns. The dimensions are approximately 60 x 80 cm, making it a medium-sized work that invites close inspection.

The careful rendering of textures in the clothing and the natural elements showcases De Morgan's technical skill. Evelyn De Morgan was a prominent figure in the Pre-Raphaelite movement, known for her focus on mythological and spiritual themes. 'Study for ‘Cadmus and Harmonia’' serves as a preparatory work for a larger piece, highlighting her meticulous planning process. Interestingly, De Morgan often incorporated symbols and allegories into her art, reflecting her interest in the mystical.

This particular work exemplifies her ability to blend narrative with visual beauty.