Sunny Yellow The sunniest, brightest colour in the spectrum is undoubtedly yellow, the colour we associate with sunshine, ripe corn and gold. Cheerful, bright and uplifting, the colour yellow represents happiness and is said to be intellectually stimulating, it also has the ability to brighten the dingiest rooms.. It is also the colour many Australians use for Kitchens, dining areas and children’s rooms. Suggested Colour Scheme: Warm and Earthy Haystack BO005-06 Treasure Chest BO006-10 All Time Favourite – Blue and Yellow Sassy Yellow BO126-09 Grape Hyacinth BO058-08 For a Dark, Small room devoid of Natural Light Sassy Yellow BO126-09 Creamy White BO125-01