crayon

Overview

About

Maintained by Gábor CsárdiFirst published 2014-09-2315 releasesCRAN page ↗GitHub ↗

The crayon package is now superseded. Please use the 'cli' package for new projects. Colored terminal output on terminals that support 'ANSI' color and highlight codes. It also works in 'Emacs' 'ESS'. 'ANSI' color support is automatically detected. Colors and highlighting can be combined and nested. New styles can also be created easily. This package was inspired by the 'chalk' 'JavaScript' project.

Install

R (CRAN)pak (dev)Ubuntu (r2u)Fedora (COPR)openSUSE (OBS)

install.packages("crayon", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("r-lib/crayon")

Development version from r-lib/crayon. Installs pak first if it is not already available.

Release

# enable cranapt (r2u) if it is not already set up, then install
grep -rqs r2u.stat.illinois.edu /etc/apt/sources.list /etc/apt/sources.list.d/ \
  || curl -fsSL https://raw.githubusercontent.com/eddelbuettel/r2u/master/inst/scripts/add_cranapt_noble.sh | sudo bash
sudo apt install -y r-cran-crayon

Fast Ubuntu binaries via r2u (no compilation). The cranapt setup runs once and is skipped when it is already enabled.

bspm (used by r2u) also needs make: sudo apt install make

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-crayon

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-crayon

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

13OK

Slowest check: 1.3 min · r-oldrel-windows-x86_64

Code health

Yes

Tests · ratio 0.26

49.7%

Coverage · measured lines

98%

Documentation · exports

3

Dependencies · direct

Check history

OK2026-03-10
14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 358 wordsVignettesNopkgdown siteNoNEWSYes · 100% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 100%
Return-value docs: 90%
References docs: 0%

Downloads

13.1M

CRAN downloads in the past year

Rank #55 · ~36K/day · ~1.1M/mo

Releases R versions

Daily download trend is not available in this view yet.

1M30 days

3.2M90 days

13.1M1 year

Compare downloads with other packages →

Also on148.9K r2u319 autocran1.7M conda_forge19.1K c2d4u

Repository

GitHub ↗ r-lib/crayon

323Stars

38Forks

0Open issues

0Open PRs

7Releases

322Commits

19Contributors

r

322 commits · Last activity 2025-10-21 · +0.3% stars, 30d

Stars over time

2025-06-16 · 3192026-07-07 · 323

Repository practices

Upstream repositoryBeta

5 development-tooling and community-health practices detected across 3 families in the upstream repository

Checks run against github.com/r-lib/crayon on 2026-07-19.

Continuous integration (1)

GitHub Actions

Lint, format, editor (3)

AirVS CodeRStudio project

Coverage (1)

Codecov

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

4 external dependencies (excludes base and recommended)

Depends (0)

none

Imports (3)

grDevicesmethodsutils

LinkingTo (0)

none

Suggests (4)

mockery rstudioapi testthat withr

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

391direct

2,701indirect

and 343 more packages.

Code & Tests

Code Composition

R 2,916 (74%)Rd 1,008 (26%)

Code characteristics

Object systems

S36

Cyclomatic complexity: 2.0 median / 29 max
Test cases: 43 / 0.26 per code line

Test coverage

Line coverage

50%

Expression

51.1%

Tests / Examples

49.7% / 43% ex

Functions

89 21 exported

Complexity

3.3 avg / 29 max

Call network

89 nodes / 91 edges

Call graph

Open call graph →

Loading call graph…

Lowest coverage

89 functions

Function	Cyclo	Coverage
chr exp	1	0%
finish exp	1	0%
show_ansi_colors exp	3	0%
%\|\|%	2	0%
-.crayon	4	0%
ansi_colors_256	1	0%

People & History

People (3)

Maintainer (1)

Gábor Csárdi

Author, Maintainer · added in 1.3.2

Authors (1)

Gábor Csárdi

Author, Maintainer · added in 1.3.2

Contributors (1)

Brodie Gaslam

Contributor · added in 1.3.2

Copyright holders (1)

Posit Software, PBC

Copyright holder, Funder · added in 1.5.3

Funders (1)

Posit Software, PBC

Copyright holder, Funder · added in 1.5.3

Listed in earlier versions (1)

Gabor Csardi

no longer listed · 1.2.0 to 1.3.1

Package Timeline

15 releases. Pick two to compare their code metrics. R releases are shown for context.

R
R 4.6.0 released · 2026-04-24
R
R 4.5.0 released · 2025-04-11
1.5.3Latest
2024-06-20 · current release · diff ↗
R
R 4.4.0 released · 2024-04-24
R
R 4.3.0 released · 2023-04-21
1.5.2
2022-09-29 · diff ↗
R
R 4.2.0 released · 2022-04-22
1.5.1
2022-03-26 · diff ↗
1.5.0
2022-02-14 · diff ↗
1.4.2
2021-10-30 · diff ↗
R
R 4.1.0 released · 2021-05-18
1.4.1
2021-02-08 · diff ↗
1.4.0
2021-01-30 · diff ↗
R
R 4.0.0 released · 2020-04-24
R
R 3.6.0 released · 2019-04-26
R
R 3.5.0 released · 2018-04-23

Show 12 earlier events

1.3.4
2017-09-16 · diff ↗
R
R 3.4.0 released · 2017-04-21
1.3.2
2016-06-28 · diff ↗
R
R 3.3.0 released · 2016-05-03
1.3.1
2015-07-13 · diff ↗
1.3.0
2015-06-05 · diff ↗
1.2.1
2015-05-18 · diff ↗
R
R 3.2.0 released · 2015-04-16
1.2.0
2015-04-09 · diff ↗
1.1.0
2014-10-15 · diff ↗
1.0.0
2014-09-23
R
R 3.1.0 released · 2014-04-10

Package metadata

First published: 2014-09-23
Total releases: 15 / 12 yrs
License: MIT + file LICENSE OSI
Download size: 39 KB
Installed size: not tracked yet
With dependencies: not tracked yet