Eat the Rainbow
Every color on your plate carries a unique set of nutrients, phytochemicals, and health benefits. Here's what each hue does for your body.
Plants get their colors from pigments — and those pigments are often the very compounds that protect your cells, reduce inflammation, and support long-term health. Eating a wide variety of colors is one of the simplest, most evidence-backed strategies for whole-body wellness.
Red
Heart & Cellular Protection
Red foods are rich in lycopene and anthocyanins — powerful antioxidants that protect the heart, reduce LDL oxidation, and fight cellular damage linked to chronic disease.
Key pigments: Lycopene, anthocyanins, quercetin
Tomatoes
Highest lycopene source; cooked increases bioavailability
Watermelon
Rich in lycopene and citrulline for blood flow
Red bell peppers
Highest vitamin C of any pepper; supports collagen
Strawberries
Anthocyanins + ellagic acid; anti-inflammatory
Cherries
Melatonin + anthocyanins; sleep and recovery
Red cabbage
Anthocyanins + glucosinolates; gut and liver support
Pomegranate
Punicalagins; one of the strongest antioxidant foods
Raspberries
Ellagic acid + fiber; blood sugar regulation
Beets
Betalains + nitrates; cardiovascular and endurance
Red onion
Quercetin; anti-inflammatory and immune support
Orange
Eye & Immune Strength
Orange foods are loaded with carotenoids — especially beta-carotene, which converts to vitamin A. Vitamin A is essential for vision, immune defense, and skin integrity.
Key pigments: Beta-carotene, alpha-carotene, zeaxanthin
Carrots
Highest beta-carotene; fat-soluble — eat with healthy fat
Sweet potato
Beta-carotene + potassium; blood sugar friendly
Pumpkin
Beta-carotene + zinc; immune and skin support
Butternut squash
Alpha-carotene + fiber; gut and eye health
Oranges
Vitamin C + hesperidin; immune and vascular health
Papaya
Beta-carotene + papain enzyme; digestion and immunity
Mango
Beta-carotene + vitamin C; skin and immune support
Cantaloupe
Beta-carotene + potassium; hydration and heart
Apricots
Beta-carotene + iron; energy and eye health
Turmeric
Curcumin; anti-inflammatory across all body systems
Yellow
Eye & Brain Clarity
Yellow foods concentrate lutein and zeaxanthin in the macula of the eye, protecting against macular degeneration and cataracts. These same pigments also accumulate in brain tissue.
Key pigments: Lutein, zeaxanthin, flavonoids
Corn
Lutein + zeaxanthin; macular pigment density
Yellow bell pepper
Highest lutein of all peppers; vitamin C
Banana
Potassium + B6; nerve function and mood
Pineapple
Bromelain enzyme; anti-inflammatory and digestion
Yellow squash
Lutein + manganese; connective tissue support
Lemon
Limonene + vitamin C; liver detox and immunity
Ginger
Gingerols; nausea, inflammation, and gut motility
Golden kiwi
Vitamin C + folate; immune and DNA repair
Yellow tomatoes
Lower acid than red; lycopene + beta-carotene
Saffron
Crocin; mood, memory, and eye protection
Green
Gut, Liver & Cellular Defense
Green is the most nutrient-dense color category. Cruciferous greens produce sulforaphane — one of the most studied anti-cancer compounds. Leafy greens provide folate, magnesium, and vitamin K.
Key pigments: Chlorophyll, sulforaphane, folate, EGCG
Broccoli
Sulforaphane + vitamin C; detox and cancer prevention
Spinach
Folate + lutein + iron; brain, eye, and blood health
Kale
Vitamin K + sulforaphane; bone and cellular health
Broccoli sprouts
100x more sulforaphane than mature broccoli
Avocado
Monounsaturated fat + glutathione; liver and heart
Green tea
EGCG catechins; brain, metabolism, and longevity
Brussels sprouts
Glucosinolates + fiber; gut microbiome support
Cucumber
Fisetin + silica; hydration and skin health
Edamame
Complete protein + isoflavones; hormone balance
Asparagus
Inulin prebiotic + folate; gut and DNA health
Peas
Plant protein + lutein; muscle and eye support
Matcha
L-theanine + EGCG; calm focus and antioxidant load
Blue & Purple
Brain, Memory & Longevity
Blue and purple foods contain the highest concentrations of anthocyanins — the pigments most strongly linked to brain health, memory preservation, and reduced cognitive decline. Resveratrol in grapes activates longevity pathways.
Key pigments: Anthocyanins, resveratrol, pterostilbene
Blueberries
Highest anthocyanin density; memory and neuroprotection
Blackberries
Anthocyanins + vitamin C; brain and immune support
Purple grapes
Resveratrol + quercetin; heart and longevity
Eggplant
Nasunin; protects brain cell membranes from oxidation
Red cabbage
Anthocyanins + glucosinolates; gut and liver
Purple sweet potato
Anthocyanins + fiber; gut microbiome diversity
Acai
Anthocyanins + healthy fats; brain and anti-aging
Elderberries
Sambucol; antiviral and immune modulation
Figs
Polyphenols + fiber; gut and cardiovascular health
Plums
Chlorogenic acid; blood sugar and bone density
White & Tan
Immune, Gut & Hormone Balance
Often overlooked, white and tan foods are among the most potent for immune function. Garlic's allicin is one of nature's strongest antimicrobials. Oats and mushrooms provide beta-glucan — a fiber that directly trains immune cells.
Key pigments: Allicin, quercetin, beta-glucan, lignans
Garlic
Allicin; antimicrobial, cardiovascular, and immune
Onion
Quercetin + inulin; anti-inflammatory and prebiotic
Mushrooms
Beta-glucan + vitamin D; immune training and bone
Oats
Beta-glucan + avenanthramides; heart and gut health
Cauliflower
Sulforaphane precursors + choline; liver and brain
Leeks
Kaempferol + inulin; gut microbiome and heart
Ginger
Gingerols + shogaols; gut motility and inflammation
Flaxseed
Lignans + ALA omega-3; hormone balance and heart
Sesame seeds
Sesamin + calcium; bone and antioxidant support
Almonds
Vitamin E + magnesium; brain and cardiovascular
Walnuts
ALA omega-3 + polyphenols; brain and heart health
Ready to eat the rainbow?
Browse our recipe library for meals built around these color-coded ingredients — or ask CoeAI to build you a personalised weekly plan.