Light yellow (#FFFFC5) is a gentle, warm hue that brings a sense of calm optimism to any design. This delicate shade combines the cheerfulness of yellow with the softness of cream, creating an approachable color that reduces stress and anxiety while maintaining visual appeal.

In UI design, light yellow excels as a background color that enhances readability when paired with dark text. Its subtle warmth makes interfaces feel welcoming and inviting—perfect for educational websites, wellness apps, or any platform aimed at creating a friendly user experience. The color works beautifully as a highlight shade, drawing attention without overwhelming other design elements.

For harmonious color combinations, pair light yellow with pastel blue for a sky-like freshness, lavender for springtime elegance, or sage for an earthy, natural feel. Complement it with peach or light orange to maintain its gentle warmth while adding subtle vibrancy.

Light yellow's accessibility-friendly nature makes it ideal for inclusive design, though always ensure sufficient contrast with text colors. This versatile shade bridges the gap between bold bright yellow and neutral beige, offering designers a perfect middle ground for creating uplifting, stress-free digital experiences.