💙หัวใจสีน้ำเงินA blue heart. Conveys friendship, trust and loyalty — also popular for sports teams and calm, cool affection.
🐕🦺สุนัขบริการA service dog in a harness. Means assistance dogs, accessibility and loyal helpers. Use it respectfully for support-animal topics. Alternative: 🐕🦺 (the emoji's official name) — same character.
🤎หัวใจสีน้ำตาลA brown heart. Conveys warmth, closeness and support; often used to express solidarity around skin-tone diversity.