Seasonal palettes are design choices, not evidence that a colour is currently trending. Start with the lightness and mood you want.
Choose a palette direction
Try warm muted colours for an earthy mood, pale cool colours for an airy mood, or a strong contrast for a festive detail.
Check trend claims separately
A claim about market popularity needs a stated source and period. A GL sales report describes GL purchases, while an editorial moodboard describes a suggested combination.