Color
Hex to RGB
Each pair of hex digits is a base-sixteen number from 0 to 255, in red, green and blue order.
The Formula
R = 0xRR, G = 0xGG, B = 0xBB
Each pair of hex digits is a base-sixteen number from 0 to 255, in red, green and blue order.
| Symbol | Meaning | Unit | Notes |
|---|---|---|---|
| h1 | High nibble | digit | The first hex digit of the pair, worth sixteen times its value. |
| h2 | Low nibble | digit | The second hex digit of the pair, worth its face value. |
What Each Symbol Means
h1digit
High nibble
The first hex digit of the pair, worth sixteen times its value.
h2digit
Low nibble
The second hex digit of the pair, worth its face value.
See It Worked With Real Numbers
A formula on its own does not tell you which number goes where. The how to convert colors page applies this equation to a concrete case, shows every intermediate step, and names the mistakes that produce a wrong answer even when the algebra is right.
Where This Formula Appears
This equation is the working core of How To Convert Colors, filed under Unit Conversion. Every number the guide produces comes from substituting into this one line.