A grey-green dress provides a restrained colour direction in this view. Its V-shaped neckline and diagonally overlapping fabric surfaces create a wrap-like appearance. Loose long sleeves finish more narrowly at the wrists. A visible fabric tie marks the waist, with skirt edges continuing diagonally into a softly moving outline. Pale open shoes complete the side view and leave the lower finish visible. Colour and shape can therefore be considered together rather than reducing the image to a shade name alone.
This photograph can act as an alternative to stronger or more reflective green. Compare actual dresses in the same light and decide whether you prefer the quieter tone or mainly want the long sleeves and waist tie. Record those qualities separately. That will help you assess another green with a similar outline without needing every detail of this picture to reappear.
At a fitting, arrange the tie as intended and inspect the result from the front and side. A larger knot can create a different focal point from a restrained arrangement. Then sit and walk to check how the waist and overlapping skirt surfaces look after movement, alongside your judgement of the still silhouette.