Check catalogs and nurseries for examples of the colored fruits, vegetables, herbs, and flowers listed below.
Blue gray: Broccoli, cabbage, cauliflower, Red or White Russian kale, 'Silver Shield' sorrel.
Bronze: Bronze fennel, 'Revolution' lettuce.
Orange: Beets, calendula, carrots, eggplant, marigolds, nasturtiums, peppers, pumpkins, Swiss chard, tomatoes.
Purple: Basil, beans, beets, broccoli, brussels sprouts, cabbage, eggplant, lettuce, ornamental alliums, peppers, perilla (shiso), scarlet runner beans, sweet alyssum, tomatoes, violas.
Red: Apples, beets, eggplant, 'Giant Red' mustard, lettuce, peppers, sunflowers, Swiss chard, tomatoes.
Silver: Artichoke, curry plant (Helichrysum italicum), dianthus, dwarf garden sage, santolina, sea kale (Crambe maritima).
Variegated foliage: Comfrey, raspberries, sage, salad burnet, strawberries, 'Sweet Dumpling' winter squash, thyme, variegated watercress, 'White Anniversary' oregano.
Yellow/lime: Apples, beans, calendula, golden feverfew, golden hops, golden lemon balm (Melissa officinalis 'Aurea'), golden oregano, lettuce, lime thyme, marigolds, peppers, sunflowers, Swiss chard, tomatoes, violas, zucchini.