docs(guide): color output controls

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---
title: "Color output controls"
description: "Modifying colors of progress output"
keywords: build, buildx, buildkit
---
Buildx has support for modifying the colors that are used to output information
to the terminal. You can set the environment variable `BUILDKIT_COLORS` to
something like `run=123,20,245:error=yellow:cancel=blue:warning=white` to set
the colors that you would like to use:
![Progress output custom colors](https://user-images.githubusercontent.com/1951866/180584033-24522385-cafd-4a54-a4a2-18f5ce74eb27.png)
Setting `NO_COLOR` to anything will disable any colorized output as recommended
by [no-color.org](https://no-color.org/):
![Progress output no color](https://user-images.githubusercontent.com/1951866/180584037-e28f9997-dd4c-49cf-8b26-04864815de19.png)
> **Note**
>
> Parsing errors will be reported but ignored. This will result in default
> color values being used where needed.
See also [the list of pre-defined colors](https://github.com/moby/buildkit/blob/master/util/progress/progressui/colors.go).

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@ -121,26 +121,7 @@ $ docker buildx bake -f docker-bake.hcl --print db
### <a name="progress"></a> Set type of progress output (--progress)
Same as [`build --progress`](buildx_build.md#progress). Set type of progress
output (auto, plain, tty). Use plain to show container output (default "auto").
> You can also use the `BUILDKIT_PROGRESS` environment variable to set its value.
The following example uses `plain` output during the build:
```console
$ docker buildx bake --progress=plain
#2 [backend internal] load build definition from Dockerfile.test
#2 sha256:de70cb0bb6ed8044f7b9b1b53b67f624e2ccfb93d96bb48b70c1fba562489618
#2 ...
#1 [database internal] load build definition from Dockerfile.test
#1 sha256:453cb50abd941762900a1212657a35fc4aad107f5d180b0ee9d93d6b74481bce
#1 transferring dockerfile: 36B done
#1 DONE 0.1s
...
```
Same as [`build --progress`](buildx_build.md#progress).
### <a name="pull"></a> Always attempt to pull a newer version of the image (--pull)

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@ -415,8 +415,9 @@ $ docker buildx build --platform=darwin .
Set type of progress output (auto, plain, tty). Use plain to show container
output (default "auto").
> You can also use the `BUILDKIT_PROGRESS` environment variable to set
> its value.
> **Note**
>
> You can also use the `BUILDKIT_PROGRESS` environment variable to set its value.
The following example uses `plain` output during the build:
@ -433,6 +434,11 @@ $ docker buildx build --load --progress=plain .
...
```
> **Note**
>
> Check also our [Color output controls guide](https://docs.docker.com/build/guides/color-output/)
> for modifying the colors that are used to output information to the terminal.
### <a name="push"></a> Push the build result to a registry (--push)
Shorthand for [`--output=type=registry`](#registry). Will automatically push the