What is the A in RGBA?

Related questions

1. What is the base for hexadecimal numbers?
2. What is a hex code in aviation?
3. Why is YUV better than RGB?
4. Why is 255 a significant number in binary?
5. What is the difference between RGB and YCbCr?
6. What is 0xFF?
7. What is the use of hexadecimal RGB value?
8. What is the difference between Hex and RGB?
9. What is the binary code for 255?
10. What are hex color values?

Tags

1. #specifies
2. #alpha
3. #transparent
4. #parameter
5. #color
6. #number
7. #extension
8. #channel
9. #green
10. #value
11. #which
12. #specified
13. #between
14. #fully
15. #opaque
16. #opacity
17. #values