Bring the sunshine inside with yellow decor and accents.Brighten a dull living room by working yellow into the palette. This warm, versatile color adds an instant ray of sunshine to any space and is easy to incorporate into your current color scheme.Yellow room decorating ideas are associated with liberation and warmth. Rich yellow color shades symbolize wisdom and clever mind. Also bright yellow is the color symbol of malice, treachery, betrayal and anxiety in many cultures. Bright yellow paint, wallpaper patterns and home furnishings in bright yellow color are very stimulating and can be difficult for human eyes, so these bright room colors should be used in moderation. Blending them with neutral colors and cool color tones creates harmonious and pleasant room decor.