RGB (255, 0, 0) to Integer — Pure Red
RGB (255, 0, 0) — pure red — converts to the integer 16711680.
How to use this tool
- Enter red, green, and blue values (0–255 each).
- The tool computes the 24-bit packed integer and its hex string.
- Use the decimal integer in APIs that accept packed 0xRRGGBB values.
Pure red (255, 0, 0) maps to the decimal color integer 16711680, which equals 0xFF0000 in hexadecimal.
Frequently asked questions
- How is an RGB color packed into an integer?
- Red occupies bits 16–23, green bits 8–15, and blue bits 0–7. The formula is: (R << 16) | (G << 8) | B.
- What range can the integer be?
- 0 (black) to 16,777,215 (white, 0xFFFFFF) for 24-bit RGB.