Understanding the colors of vaginal discharge is a central part of Hilchot Niddah (the laws of Jewish family purity). While many people refer to a "Niddah color chart" as a definitive tool, the reality of Jewish law (Halacha) is more nuanced, relying on expert interpretation and specific lighting conditions. What is a Niddah Color Chart? A Niddah color chart is a visual guide—often used in educational settings like Kallah (bride) classes or workshops—to help women distinguish between colors that definitely render one Niddah , colors that are definitely pure ( Tahor ), and "questionable" colors that require a Rabbi's consultation. Historically, the Talmud identified five specific shades of impure red and black. However, because the expertise to distinguish these exact shades was lost over time, Halacha now generally considers all shades of red, pink, and black to be problematic. Categories of Colors In practice, discharge colors are grouped into three main categories: The Niddah Status - Nishmat Yoatzot Halacha
Here’s a clear, practical feature set for a Niddah color chart (used in Taharat HaMishpachah / Jewish family purity observances). The chart helps a woman determine if a stain (ketem) is concerning or permissible. Core Features of a Niddah Color Chart:
Standard color reference swatches – Includes the 7 primary halachic colors (e.g., black, red, deep red, orange, yellow, green, brown) with specific shades per common halachic guidance.
“Good” vs. “Bad” color indicators – Clearly marks colors that are tahor (permitted, e.g., pale yellow, greenish) vs. tamei (problematic, e.g., deep red, black, certain browns). niddah color chart
Comparison scale – Shows gradient from light (clean) to dark (concerning), often using numbered swatches (1–7) or named tones (e.g., “claret,” “rose,” “straw”).
Text instructions – Explains when and how to check: bedikah (internal), kesem (external stain on garment), or after using toilet paper/cloth.
Stain evaluation flowchart – Guides user through questions: size (≥ 1 gris / ~19mm), location, number of stains, and color comparison. Understanding the colors of vaginal discharge is a
Ruling summaries – Short, plain-language halachic conclusions (e.g., “If color matches #5 or darker → consult rabbi”).
Lighting guidelines – Notes to check in natural daylight (not bathroom fluorescent) and avoid color distortion from colored clothing/towels.
“What to do next” section – Steps if stain is tahor (continue as normal) or tamei (stop observing bedikot until next clean check, consult posek if unsure). A Niddah color chart is a visual guide—often
Laminated or digital design – Waterproof physical version for bathroom use, or interactive digital version with magnifiable swatches and color picker tool.
Print & digital variations – Printable PDF for home, plus a mobile-friendly version with accessibility features (high contrast, large text, screen reader support).