Indeed, if we connect the two squares, it becomes clear that the squares are identical shades: Below is another optical illusion based on color, as pointed out by New Scientist (which has an excellent dress explainer)

The blue dress features an elegant square pattern with puff sleeves and a tie-back bow belt, making it perfect for cosplay, theatrical performances, and themed partiesSize Reference Table:X-Small: Height 39.37-43.31in / 100-110cm, Bust 25.2-26.77in / 64-68cm , Waist 21.26-22.83in / 54-58cm, Shoulder Width 13.39in / 34cm;Small: Height 43.31-47.24in / 110-120cm, Bust 27.56-29.92in / 70-76cm, Waist 22.83-24.41in / 58-62cm, Shoulder Width 13.78in / 35cm;Medium: Height 47.24-51.18in / 120-130cm, Bust 29.92-33.07in / 76-84cm, Waist 24.41-25.98in / 62-66cm, Shoulder Width 14.17in / 36cm;Large: Height 51.18-55.12in / 130-140cm, Bust 33.07-34.65in / 84-88cm, Waist 25.98-27.56in / 66-70cm, Shoulder Width 14.57in / 37cm;X-Large: Height 55.12-59.06in / 140-150cm, Bust 34.65-36.22in / 88-92cm, Waist 27.56-28.35in / 70-72cm, Shoulder Width 14.96in / 38cm;XX-Large: Height 59.06-62.99in / 150-160cm, Bust 36.22-37.8in / 92-96cm, Waist 28.35-29.13in / 72-74cm, Shoulder Width 15.35in / 39cm;Note: The dimension may have a 1-3cm deviation because of hand measurement.

Do I Need The Soaking Water Or The Cooking Water Of Black Beans
Same dress, new vibe
Get the Look GS1611 - Short Strapless Lace Dress with Sweetheart Neckline All Silhouettes Are Welcome White tie fashion loves structured styles, but black-tie fashion gives you free rein over your outfits silhouette