🌡️ Color Temperature Converter

Real-time conversion from color temperature (Kelvin) to RGB and HEX color codes. Includes light source presets and visual scale.

6500 K
1,000 K (Warm) 40,000 K (Cool)
K
Overcast Sky / Monitor Standard
HEX
#FF9329
RGB
rgb(255, 147, 41)
R
255
G
147
B
41
CSS
rgb(255,147,41)

💡 Light Source Presets

Color Temperature Scale

1000K 3000K 5500K 10000K 20000K 40000K

Usage and Application Examples

  • Reference for white balance settings in photography
  • Selecting color temperature for lighting design
  • Recreating specific light source colors in web design
  • Reference values for color grading in video production
  • Comparing and evaluating interior lighting colors
  • For explaining light source colors in presentations

What is Color Temperature Converter?

This tool converts color temperature values measured in Kelvin (K) to corresponding RGB and hexadecimal color codes. It supports the full range of practical color temperatures from 1000K (warm, candlelight-like colors) to 40,000K (cool, blue-dominant colors). Essential for designers, photographers, and developers who need precise color representation. The converter instantly translates between color temperature scales used in different industries and applications.

How to Use

• Input a color temperature value between 1000K and 40,000K
• The tool immediately calculates the corresponding RGB values (0-255 for each color)
• Simultaneously generates the hexadecimal color code in #RRGGBB format
• View the resulting color displayed as a color swatch
• Copy the RGB values or hex code to use in your design or development project
• Experiment with different temperature values to understand color relationships
• Reference the light source guide to understand real-world color temperatures

Use Cases

Web design: Match your website's color palette to specific lighting conditions or create cohesive warm/cool color schemes with scientific precision. Photography and video: Adjust color grading in post-production using precise color temperatures that correspond to white balance settings. Interior design and lighting: Select LED bulbs and lighting fixtures with specific color temperature values to achieve desired ambiance. Graphic design: Ensure consistent color representation across different media and understand how colors appear under various lighting conditions.

Tips & Insights

Lower Kelvin values (1000-3000K) produce warm, yellow-orange tones; higher values (5000K+) create cool, blue-tinted tones. Neutral daylight is approximately 5500-6500K. Screen displays and printed materials may render colors differently due to individual device calibration. Understanding color temperature helps create mood in designs—warm tones feel cozy and intimate, while cool tones feel professional and refreshing.

Frequently Asked Questions

What is color temperature (Kelvin)?

Color temperature is a numerical representation of the color of a light source, measured in Kelvin (K). Lower values appear warmer (red and orange), while higher values appear cooler (blue-white).

What is the typical color temperature of common light sources?

Candles are approximately 1900K, incandescent bulbs are 2700K, fluorescent lights are 4000K, sunlight is 5500K, overcast sky is 6500K, and blue sky is 10000K.

Where can I use the converted color codes?

HEX codes can be used in CSS, HTML, and design tools, while RGB values are used in programming and image editing software. Use the copy button for easy copying.

Can this be used for adjusting white balance in photos?

Yes. You can check the color temperature of your shooting environment and use it as a reference for camera white balance settings or color correction in image editing.

What is the color temperature to RGB conversion algorithm?

We use Tanner Helland's color temperature-RGB conversion algorithm. RGB values are calculated from Kelvin values using blackbody radiation approximation.

Why might RGB values not look the same on different screens?

Different displays have different color gamuts, brightness levels, and color profiles, causing the same RGB values to appear different on screens like phones, monitors, and TVs. Factors like screen age, brightness settings, and monitor calibration also affect how colors are displayed. For consistent color representation, it's best to use color-managed software and calibrated displays.

Can I convert RGB back to Kelvin?

Converting RGB back to Kelvin is mathematically possible but more complex, as it requires working backwards through color temperature formulas. This tool focuses on converting Kelvin to RGB, which is the more common use case for photographers and designers. For reverse conversion, you'd need specialized color analysis software.

What's the difference between warm and cool color temperatures?

Warm color temperatures (below 3000K) produce orange and yellow tones, creating a cozy, intimate atmosphere typically seen in candlelight or sunset. Cool color temperatures (above 5000K) produce blue tones, creating a crisp, alert feeling similar to daylight or clear skies. Mid-range temperatures (3000-5000K) are neutral and widely used in everyday settings.

How does color temperature affect photography and videography?

Color temperature directly influences the mood and visual quality of photos and videos—warm tones create intimate, nostalgic feelings while cool tones appear crisp and energetic. Mismatched color temperature can make images look unnaturally orange or blue, which is why photographers adjust white balance to match their light source for accurate, natural-looking results.

What light sources fall outside the 1000K to 40000K range?

Most practical light sources fall within the 1000K to 40000K range, which covers everything from candlelight (1000K) to overcast daylight (10000K). Beyond this range, specialized sources like certain photography lights or astronomical observations might exist, but they're outside the scope of typical photography and design work.

Why do some colors appear to shift in different light?

Color perception shifts because our eyes and brain adapt to different light sources through a process called white balance adaptation. A white object appears white under sunlight, incandescent light, and fluorescent light even though the light itself has different color temperatures. When you switch between very different lighting conditions, colors can appear to shift until your eyes adapt.