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1. Red Intensity
2. Green Intensity
3. Blue Intensity

4. Color Number Decimal
5. Color Number Hexadecimal
6. RGB Hexadecimal

7. Copy Buttons
8. Eyedropper with Magnifier
9. Brightness
10. Saturation
11. Hue

12. Color Matrix
13. Color Mixer
14. Preview Field
15. Web Safe Colors

Click on a control in the image to know more about it.

 

Color Numbers

 

The three textboxes on bottom left show the color numbers that often are used in various applications.

Color number decimal and Color number hexadecimal is the number, that is assign to a color by 24 bit color depth. It is calculated with the formula for additive color mix: (Color number) = (red intensity) ∙ 2560 + (green intensity) ∙ 2560 + (blue intensity) ∙ 2562. The both representations of color number are often used in programming languages.

RGB hexadecimal for HTML is built of one after the other written hexadecimal values of red, green and blue intensity. It is used in HTML and many graphic programs.

 
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