I. Understanding the Basics:
* What are Colored Gels? Thin sheets of translucent colored plastic (often polycarbonate or polyester) designed to be placed in front of a light source to change the color of the light.
* Why Use Them?
* Atmosphere and Mood: Instantly alter the feeling of an image. Warm colors (red, orange, yellow) create a sense of energy, passion, or comfort. Cool colors (blue, green, purple) evoke feelings of calm, mystery, or sadness.
* Drama and Visual Interest: Break up the monotony of plain white light. Create striking contrasts and highlights.
* Color Correction (Less Common in Creative Portraits): Correct the color temperature of a light source (e.g., using CTO gel to warm up daylight).
* Stylization: Match a specific aesthetic or theme.
* Separation and Isolation: Using different gel colors to illuminate the subject and background can help to separate the subject from the background.
* Types of Gels:
* Color Correction Gels (CTO, CTB): Correct color temperature, making it warmer or cooler. Less often used in purely creative gel portraits, but can be valuable for balancing light sources.
* Full Color Gels: Solid colors like red, blue, green, yellow, etc. These are the most common for creative effects.
* Neutral Density (ND) Gels: Reduce the intensity of light without changing its color. Useful for balancing exposure when using multiple lights.
* Graduated Gels: Transition from one color to another or from clear to colored.
* Diffusion Gels: Soften the light output.
* Light Sources: You can use gels with virtually any continuous or flash light source:
* Strobes/Speedlights (Flashes): Popular due to their power and control. Requires gel holders/bands to attach the gel.
* Continuous LED Lights: Generate less heat than tungsten, making them safer for gels.
* Tungsten/Halogen Lights: Get very hot. Use caution; gels designed for high temperatures are recommended to avoid melting or discoloration.
II. Essential Equipment:
* Colored Gels: Start with a basic set of primary colors (red, blue, green, yellow) and experiment.
* Gel Holders/Attachments: Necessary for securely attaching gels to your light sources. Many options are available for speedlights and strobes. Clothespins can work in a pinch, but professional holders are more reliable.
* Light Stands: To position your lights.
* Lights: Speedlights, strobes, or continuous lights.
* Modifiers (Optional): Softboxes, umbrellas, reflectors, snoots, grids. These shape and control the light.
* Tape (Gaffer's Tape): For securing gels or other modifiers.
* Scissors/Utility Knife: For cutting gels to size.
* Light Meter (Optional): Useful for precisely measuring light output and balancing multiple lights.
* Camera and Lens: Your camera and lens of choice. A portrait lens (50mm, 85mm, 105mm) is often preferred.
III. Planning Your Shoot:
1. Concept Development:
* Theme: What story do you want to tell? What mood do you want to create?
* Color Palette: Choose colors that complement each other or create a specific contrast. Research color theory (complementary, analogous, triadic colors) to inform your choices.
* Wardrobe: Select clothing that works well with your chosen color palette. Consider textures and patterns.
* Makeup: Coordinate makeup with the overall theme and color scheme.
* Background: Choose a background that complements the colors and mood. A simple black or white background can work well to showcase the colored light.
2. Color Theory Basics:
* Complementary Colors: Colors opposite each other on the color wheel (e.g., red and green, blue and orange, yellow and purple). Using these creates strong contrast.
* Analogous Colors: Colors next to each other on the color wheel (e.g., blue, blue-green, green). These create a harmonious and calming effect.
* Triadic Colors: Three colors equally spaced on the color wheel.
3. Lighting Setup Design:
* Single Light with Gel: The simplest setup. Place a single light with a gel to create a colored wash on the subject.
* Two Lights with Different Gels: A very common and versatile setup. One light can be the key light (the main light illuminating the subject), and the other can be a fill light (to soften shadows) or a rim light (to create separation).
* Three or More Lights: For more complex effects. You can use one light for the background, one for the subject's face, and another for a rim light or accent.
IV. Setting Up Your Lights and Gels:
1. Safety First: Be careful when working with hot lights. Use heat-resistant gels and avoid touching hot surfaces. Secure your light stands properly to prevent them from falling.
2. Attach Gels to Your Lights: Use gel holders or bands. Make sure the gel covers the entire front of the light.
3. Position Your Lights:
* Key Light: The main light source. Position it to illuminate the subject's face from the front or side.
* Fill Light: Placed opposite the key light to fill in shadows. Often used with a less saturated gel color or without a gel. Can also be a reflector bouncing the key light.
* Rim Light: Placed behind the subject, pointing towards the camera, to create a highlight around the edges of the subject. This helps to separate the subject from the background.
* Background Light: Used to illuminate the background. Can be a single light or multiple lights.
4. Power Settings: Adjust the power of each light to achieve the desired balance. A light meter can be helpful for precise control, but you can also adjust by eye.
V. Taking the Shots:
1. Camera Settings:
* Aperture: Use a wide aperture (e.g., f/2.8, f/4) to create shallow depth of field and isolate your subject.
* ISO: Keep the ISO as low as possible to minimize noise. Start at ISO 100 or 200 and increase it only if necessary.
* Shutter Speed: Sync speed will be important when using strobes. It's usually around 1/200th or 1/250th of a second. The flash duration will actually freeze the action, making the shutter speed's role more about managing ambient light.
* White Balance: Set your white balance to "Flash" when using strobes. If you're using continuous lights, you can use a custom white balance or adjust it in post-processing. For creative effects, sometimes leaving the white balance on "Auto" can produce interesting and unexpected results.
* Shooting Mode: Manual (M) mode gives you the most control over your camera settings.
2. Test Shots: Take several test shots to check your lighting, exposure, and color balance. Make adjustments to the light positions, power settings, and camera settings as needed.
3. Subject Posing: Direct your subject to pose in a way that complements the lighting and the overall theme. Consider the angles of the light and how they will affect the shadows on the subject's face and body.
4. Focus: Ensure that the eyes are sharp.
5. Capture: Take lots of photos and experiment with different poses and expressions.
VI. Post-Processing:
1. Color Correction: Make minor adjustments to the colors in post-processing if needed. However, the goal is to get the colors as close as possible in-camera.
2. Contrast and Exposure: Adjust the contrast and exposure to fine-tune the image.
3. Sharpening: Apply sharpening to enhance the details.
4. Dodging and Burning: Use dodging and burning to subtly adjust the highlights and shadows.
5. Retouching: Perform basic retouching to remove blemishes or distractions.
VII. Creative Ideas and Techniques:
* Two-Toned Portraits: Use two different colored gels, one on each side of the subject, to create a dramatic and visually interesting look.
* Color Gels on Backgrounds: Use colored gels to create colorful and dynamic backgrounds.
* Gel Overlays: Use a handheld gel closer to the lens as a kind of filter.
* Gobo Gels: Use gels with patterns cut out to project interesting shapes and designs onto the subject or background.
* Rim Lighting: Use colored gels as rim lights to create a halo effect around the subject.
* Underexposure: Intentionally underexpose the image and let the colors really pop.
* Experiment with Saturation: Experiment with varying the saturation of colors in post-processing.
* Smoke and Gels: Combine colored gels with smoke or haze to create atmospheric and surreal images.
* Movement: Have the subject move during the exposure to create motion blur and colorful streaks.
* Gel Reflections: Use a reflective surface (mirror, glass, water) to create interesting reflections and color patterns.
* Black and White Conversion: Convert a colored gel portrait to black and white to see how the different colors translate into different shades of gray.
* Combining Gels: Stack two or more gels together to create new colors or color gradients.
VIII. Tips and Tricks:
* Start Simple: Begin with a single light and a single gel to get a feel for how the colors affect the image.
* Experiment: Don't be afraid to try new things. The best way to learn is to experiment and see what works.
* Practice: The more you practice, the better you'll become at using colored gels.
* Research: Look at other photographers who use colored gels for inspiration.
* Consider your subject's skin tone: Some colors may be more flattering than others. Warm tones generally work well on warmer skin tones, and cooler tones can complement cooler skin tones. However, breaking the rules can also lead to interesting results.
* Watch for Spill: Be aware of how the colored light is spilling onto the background or other parts of the scene. You may need to use flags or barn doors to control the spill.
* Label your gels: Keep your gels organized and labeled so you can easily find the colors you need.
* Protect your gels: Store your gels in a safe place to prevent them from getting scratched or damaged.
* Be patient: It takes time and practice to master the use of colored gels. Don't get discouraged if your first few attempts aren't perfect.
By following these tips and experimenting with different techniques, you can create unique and creative portraits using colored gels. Have fun and let your imagination run wild!