<p>When you take a Raw value from any sensor, the EV3 brick passes on the reading as reported directly from the sensor, without doing any processing. Especially for the color sensor, where you have several modes such as Reflection and Color Number, the EV3 brain does do post-processing on the input value to make the output easier to understand and/or use. By getting the raw value you are likely get a higher resolution signal than in any of the other modes, at the expense of potential error correction.</p>

CC BY-SA 3.0
2018-01-04T13:36:41.690Z
As for the range? What values does it give,  from 0-100 or is it 0-255 or something else?
Vikhyat Agarwal
CC BY-SA 3.0
2017-12-18T01:32:40.063Z
2018-01-04T22:27:50.520Z
2018-01-04T22:27:50.520Z
Phil B.
<p>It will from 1 to 255. Now I try to measure color via RGB value to make the rank higher than using color sensor value block.</p>

CC BY-SA 3.0
2018-04-26T15:39:46.620Z
2018-04-26T15:39:46.620Z
TỐI TẠO
<p>I participate in Robotics competitions like the WRO and I want to know if using EV3 colour sensor raw values helps in line follow.</p>

<ev3><sensor-colour>
What does taking Raw value for EV3 Colour sensor do?
Vikhyat Agarwal
# What does taking Raw value for EV3 Colour sensor do?

(Asked by: username_0 on 2017-12-08)

I participate in Robotics competitions like the WRO and I want to know if using EV3 colour sensor raw values helps in line follow.

**Tags:** ev3, sensor-colour


---

## 2 answers

### Answer by username_1 on 2017-12-18. Score: 5 | Accepted answer

When you take a Raw value from any sensor, the EV3 brick passes on the reading as reported directly from the sensor, without doing any processing. Especially for the color sensor, where you have several modes such as Reflection and Color Number, the EV3 brain does do post-processing on the input value to make the output easier to understand and/or use. By getting the raw value you are likely get a higher resolution signal than in any of the other modes, at the expense of potential error correction.

> **Comments:**
> **username_0**: As for the range? What values does it give,  from 0-100 or is it 0-255 or something else?  

---

### Answer by username_2 on 2018-04-26. Score: 1

It will from 1 to 255. Now I try to measure color via RGB value to make the rank higher than using color sensor value block.


---

