Astrological Compatibility
Compatibility in astrology goes far beyond "do our sun signs match." The interplay of elements, modalities, and specific planetary aspects creates complex relationship dynamics.
Element Compatibility
Fire + Fire (Aries, Leo, Sagittarius): Explosive chemistry, mutual inspiration, competitive energy. Risk: burnout, ego clashes, neither wanting to cool down. Both need external grounding.
Earth + Earth (Taurus, Virgo, Capricorn): Stable, practical, building together. Risk: stagnation, excessive caution, forgetting to play. Both need sparks of spontaneity.
Air + Air (Gemini, Libra, Aquarius): Intellectual connection, endless conversation, social synergy. Risk: all talk no action, emotional avoidance, detachment. Both need grounding in feeling.
Water + Water (Cancer, Scorpio, Pisces): Deep emotional bond, intuitive understanding, psychic connection. Risk: drowning in feelings, codependency, avoiding practical matters. Both need occasional surface air.
Fire + Air: Natural allies—air feeds fire, fire warms air. Stimulating, idea-generating, socially dynamic. Risk: air can scatter fire's focus; fire can overwhelm air's detachment.
Earth + Water: Complementary—water nourishes earth, earth contains water. Nurturing, fertile, emotionally grounded. Risk: mud (getting stuck), earth feeling flooded, water feeling dried up.
Fire + Earth: Challenging but productive—fire energizes earth, earth stabilizes fire. Creative tension between action and patience. Risk: fire feels smothered, earth feels burned.
Fire + Water: Steamy or extinguishing—passion meets depth. Intense attraction, dramatic dynamics. Risk: fire evaporates water's sensitivity, water drowns fire's spirit.
Earth + Air: Different languages—practical meets conceptual. Can balance or frustrate. Risk: earth finds air flighty, air finds earth boring.
Air + Water: Complex—ideas meet emotions. Potential for emotional intelligence or confusion. Risk: air intellectualizes water's feelings, water finds air cold.
Modality Dynamics
Cardinal + Cardinal: Power couple or power struggle. Both want to lead and initiate. Needs clear domains of control.
Fixed + Fixed: Immovable force meets immovable force. Incredible loyalty and stubbornness. Needs willingness to compromise.
Mutable + Mutable: Flexible and adaptable together. Easy flow, but may lack direction. Needs someone to make decisions.
Cardinal + Fixed: Starter meets finisher. Cardinal initiates, fixed sustains. Can complement or frustrate depending on respect.
Cardinal + Mutable: Ideas flow but execution varies. Cardinal leads, mutable adapts. Needs clear communication about direction.
Fixed + Mutable: Stability meets flexibility. Fixed provides anchor, mutable brings adaptability. Generally harmonious if fixed doesn't dominate.
Classic Pairings
Opposite signs (6 signs apart): Maximum attraction and maximum tension. They represent what you're not, which fascinates and challenges. Aries-Libra, Taurus-Scorpio, Gemini-Sagittarius, Cancer-Capricorn, Leo-Aquarius, Virgo-Pisces.
Trine signs (same element): Natural harmony, easy understanding. May lack growth tension. Aries-Leo-Sagittarius, Taurus-Virgo-Capricorn, Gemini-Libra-Aquarius, Cancer-Scorpio-Pisces.
Square signs (90° apart): Friction that creates growth. Challenging but dynamic. Same modality means similar approaches to problems, different elemental expressions.
Sextile signs (60° apart): Complementary elements that communicate well. Supportive without being too comfortable.
Beyond Sun Signs
True compatibility analysis considers Venus signs (love style), Mars signs (desire and conflict), Moon signs (emotional needs), and Mercury signs (communication). Two people with incompatible sun signs but harmonious Venus-Mars aspects may have excellent romantic chemistry despite surface differences.
The 7th house (partnerships) and its ruler reveal what someone seeks in a partner—often qualities they don't embody themselves. Synastry (chart comparison) shows how two charts interact; composite charts show the relationship as its own entity.