If you want minimal lightening (or no lightening at all):
* Tones That Enhance Your Base:
* Chocolate Brown: Adding richness and depth to your natural color. Look for dyes with terms like "dark chocolate," "mocha," or "espresso."
* Caramel or Honey Glaze (on the warmer side): These will add some subtle dimension and warmth *if* your hair is already on the warmer side of medium dark brown. They may not show up much on cooler-toned browns. Look for a "toner" or "glaze" in these colors to avoid lightening.
* Auburn or Red Tones (for warmth): Medium Auburn or reddish brown can add warmth and dimension, especially if your natural hair has some red undertones. Look for terms like "red velvet," "mahogany," or "burgundy."
* Black (for depth and intensity): A true black dye will give you a striking, dramatic look. Make sure you are ready to commit to black, as it can be difficult to remove later.
* Color Depositing Products:
* Color-depositing conditioners or masks: These are a great way to experiment with color without committing to permanent dye. They can add subtle color or vibrancy to your hair.
* Examples: Look for products like Moroccanoil Color Depositing Mask, or Keracolor Clenditioner.
If you're willing to lighten your hair a little (1-2 levels):
* Highlights:
* Caramel Highlights: Adding caramel or honey highlights can create beautiful dimension and warmth. These blend seamlessly with medium dark brown hair.
* Balayage: This is a hand-painted technique that creates a more natural, sun-kissed look with highlights that are concentrated towards the ends of your hair.
* Subtle Chestnut or Copper Highlights: These warm tones can add depth and richness.
* All-Over Color (slightly lighter than your base):
* Medium Brown: Moving to a true medium brown can brighten up your overall look.
* Chestnut Brown: A warm, reddish-brown shade that can add richness and depth.
If you're willing to lighten your hair more (2+ levels):
* Bold Color:
* Vibrant Reds: A deeper, more vibrant red can be striking.
* Dark Blonde/Bronde: Achieving a dark blonde or "bronde" look will require more significant lightening and potentially multiple salon visits.
* Fashion Colors (Blues, Purples, Greens): These will require pre-lightening to a lighter base, so be prepared for more damage and maintenance.
Important Considerations:
* Undertones: Consider your skin's undertones (warm, cool, or neutral).
* Warm Undertones: Look for colors with warm tones like gold, copper, or red.
* Cool Undertones: Look for colors with cool tones like ash brown, plum, or violet.
* Neutral Undertones: You can generally pull off a wider range of colors.
* Hair Condition: Dyeing can be damaging, especially if you're lightening. Make sure your hair is healthy before you start, and use a deep conditioner regularly.
* DIY vs. Salon: If you're going for a significant color change (especially anything involving lightening), it's generally best to go to a professional. They can help you choose the right color, minimize damage, and achieve the desired results.
* Strand Test: Always do a strand test before applying dye to your entire head. This will allow you to see how the color will look and how your hair will react to the dye.
* Maintenance: Colored hair requires special care. Use color-safe shampoo and conditioner, and avoid washing your hair too frequently.
To give you the best advice, tell me:
* What is your natural hair color level? (If you're not sure, search for "hair color level chart" and compare your hair to the chart).
* What is your skin's undertone? (Warm, cool, or neutral).
* What kind of look are you going for? (Subtle, dramatic, warm, cool, etc.).
* Are you comfortable lightening your hair at all?
* Are you planning to DIY or go to a salon?
Once I have this information, I can give you more specific recommendations.