Convert between Kelvin and RGB with professional accuracy for photography and design
Click any preset to set that temperature
Candles, tungsten bulbs, sunset. Creates cozy, intimate atmosphere. Perfect for residential and restaurant lighting.
Halogen bulbs, early morning sun. Balanced warmth ideal for general lighting in homes and offices.
Midday sun, camera flash. Crisp, clean light perfect for task lighting and color-critical work.
Overcast sky, north-facing windows. Very cool, clinical feel used in medical facilities and studios.
Color temperature describes the warmth or coolness of light, measured in Kelvin (K). This professional converter uses industry-standard algorithms for accurate Kelvin to RGB conversion, essential for photography, videography, lighting design, and creating the perfect ambiance.
Perfect for photographers, videographers, lighting designers, web developers, and anyone working with color-critical applications. Complement your workflow with our HEX to RGB converter and color palette generator.

Master the science of light colors and color temperature with our comprehensive guide and professional converter tool.
Color temperature is a fundamental concept in lighting, photography, and design that describes the visual warmth or coolness of light sources. Measured in Kelvin (K), color temperature helps us understand and communicate the quality of light, from the warm orange glow of candlelight to the cool blue of a clear sky. Understanding colour temperature is essential for creating the right mood, ensuring accurate color reproduction, and achieving professional results in any lighting application.
The concept of light color temperature originates from physics, specifically the relationship between the temperature of a theoretical black body radiator and the color of light it emits. As this object heats up, it glows with different colors - first red, then orange, yellow, white, and finally blue-white. This progression forms the basis of our color temperature scale, making it an objective measure for describing light colors. For precise color work, photographers often use this knowledge alongside tools like our contrast checker to ensure optimal visual results.
A color temperature chart provides a visual reference for understanding how different Kelvin values correspond to various light sources and their perceived warmth or coolness. Our professional color temperature converter includes an interactive chart that shows real-time color representations, making it easy to visualize how temperature changes affect light appearance. This visual approach complements other color analysis tools such as our color blindness simulator for comprehensive color accessibility planning.
The physics of color temperature involves understanding how thermal radiation produces different wavelengths of visible light. When an object is heated to different temperatures, it emits electromagnetic radiation at various wavelengths. Lower temperatures produce longer wavelengths (reds and oranges), while higher temperatures generate shorter wavelengths (blues and violets). This relationship allows us to assign specific Kelvin values to different light colors, creating a standardized system for describing and reproducing lighting conditions.
Our color temperature converter uses advanced algorithms based on Planckian locus calculations to ensure scientific accuracy. The tool converts between Kelvin values and RGB color codes, providing precise color representations that photographers, designers, and lighting professionals can rely on for critical color work. For additional color format conversions, explore our RGB to CMYK converter for print applications.
In photography and videography, understanding colour temperature is crucial for achieving accurate white balance and creating desired moods. Different light color temperatures can dramatically affect the emotional impact of an image. Warm temperatures create cozy, intimate feelings, while cool temperatures suggest cleanliness, professionalism, or even melancholy. Professional photographers use our color temperature converter to precisely match lighting conditions and ensure consistent color reproduction across different shooting environments. Enhance your color workflow with complementary tools like our advanced color picker for precise color matching.
Interior designers leverage color temperature charts to create specific atmospheres in living and working spaces. Restaurants often use warm light colors (2700K-3000K) to create intimate dining experiences, while offices typically employ cooler temperatures (4000K-5000K) to promote alertness and productivity. Our converter tool helps designers visualize how different temperatures will appear in their projects before making expensive lighting decisions. For comprehensive color scheme planning, combine this with our color harmony generator.
Web designers and digital artists use color temperature principles to create cohesive color palettes and ensure proper display across different devices. Understanding how various screen technologies reproduce different temperatures helps maintain color consistency. Our tool's RGB and HEX output formats make it easy to implement specific color temperatures in digital projects. Streamline your design process with related tools like our gradient generator and random color generator.
Selecting appropriate light color temperature depends on the intended use of your space and the desired emotional response. Use our interactive color temperature converter to experiment with different values and see how they affect the visual appearance of light. Bedrooms and living areas benefit from warmer temperatures (2700K-3000K), while kitchens and workspaces perform better with neutral to cool temperatures (3500K-5000K). For color accessibility considerations, utilize our contrast analyzer to ensure adequate visibility.
Seasonal lighting design often incorporates varying colour temperatures to complement natural light patterns throughout the year. Winter lighting might emphasize warmer temperatures to counteract shorter days and cooler natural light, while summer designs might incorporate cooler temperatures to create refreshing environments. Our color temperature chart helps visualize these seasonal transitions. Create comprehensive seasonal palettes using our monochromatic color scheme generator.
While color temperature describes the apparent color of a light source, Color Rendering Index (CRI) measures how accurately that light reveals the true colors of objects. High-quality lighting combines appropriate color temperature with excellent color rendering. Our converter tool focuses on the temperature aspect, helping you understand how different Kelvin values will appear regardless of CRI considerations. For precise color matching work, complement this tool with our Pantone color matcher.
Metamerism occurs when two colors appear identical under one light source but different under another. Understanding light color temperature helps predict and control metameric effects. Professional colorists use precise temperature measurements to ensure consistent color matching across different lighting conditions. Our color temperature converter provides the accuracy needed for critical color work, and can be paired with our color blending tool for advanced color analysis.
Advanced lighting designs often combine multiple light colors at different temperatures to create complex, layered lighting effects. This technique requires precise understanding of how different temperatures interact visually. Our color temperature converter helps calculate the exact RGB values needed for digital previsualization of these complex lighting schemes. Enhance your color mixing capabilities with our color mixer tool for experimental color combinations.
Modern LED systems allow dynamic adjustment of color temperature throughout the day, mimicking natural light patterns to support circadian rhythms. These systems, often called "human-centric lighting," gradually shift from warm morning light to cool midday illumination and back to warm evening tones. Understanding the full color temperature chart is essential for programming these sophisticated systems. For color automation projects, explore our color space converter for comprehensive color format compatibility.
Professional photographers rely on precise color temperature understanding for accurate white balance settings. Each lighting condition has its characteristic temperature, from tungsten bulbs at 3200K to open shade at 7000K+. Our converter helps photographers visualize how different white balance settings will affect their images before shooting. This is particularly valuable for mixed lighting situations where multiple light color temperatures are present in a single scene.
The future of colour temperature applications includes smart home integration, personalized lighting profiles, and AI-driven automatic adjustments based on user preferences and activities. As technology advances, the importance of understanding fundamental color temperature principles becomes even more critical for professionals working in lighting, design, and visual arts. Advanced color analysis tools will increasingly incorporate temperature considerations alongside traditional color theory principles.
Our professional color temperature converter provides the foundation for understanding these concepts, offering accurate conversions, visual previews, and educational resources to help you master the art and science of light color temperature. Whether you're a photographer seeking perfect white balance, a designer creating mood lighting, or an engineer specifying LED systems, this tool provides the precision and reliability you need for professional results.