In short, it means largely the same as it does for any other social event

Spring and Summer Tea Length Ideal fabrics: Chiffon for lightweight flow Cotton blends for breathability Linen for casual outdoor weddings Light organza for romantic garden settings Color palettes: Pastels (blush, mint, lavender) Bright florals Cheerful yellows and corals Soft neutrals (cream, champagne) Fall and Winter Tea Length Appropriate materials: Velvet for rich texture and warmth Heavy satin for structure and sheen Brocade for formal winter events Lined lace over opaque underlays Seasonal colors: Jewel tones (emerald, ruby, sapphire) Warm neutrals (burgundy, chocolate, camel) Deep florals on darker backgrounds Classic black with interesting details Layering options: Cropped faux fur jackets Tailored wool coats (for arrival/departure) Cashmere wraps or shawls Long-sleeve dress options eliminate outerwear Body Type and Tea Length Flattery Tea length doesnt suit everyone equally, but strategic styling makes it work for various figures
Short sleeves and a delica
Then pick a fabric: sequin and beading for sparkle, satin or jersey for sleek, lace for romantic, organza or tulle for volume
Passion Dress Puff sleeves and ruffles