Problem 42612. Convert ColorSpec string to RGB triplet

Created by Matthew Eicholtz
Appears in Image Functions

Difficulty:Rate

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Given a ColorSpec string, either in short or long form, return the corresponding RGB triplet. If the input is not a valid color, return an empty vector.

Examples

str2rgb('red') returns [1 0 0]
str2rgb('k') returns [0 0 0]
str2rgb('pizza') returns []

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Last Solution submitted on Jun 17, 2025

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Jean-Marie Sainthillier on 23 Sep 2015

When I see beautiful and efficient Ly Cao solutions, I have the feeling that Cody has found another master (after Alfonso).

LY Cao on 23 Sep 2015

Thank you. I'm flattered. I still have a lot to learn.

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Problem 42612. Convert ColorSpec string to RGB triplet

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Last 200 Solutions

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Problem Recent Solvers52

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Problem 42612. Convert ColorSpec string to RGB triplet

Solution Stats

Last 200 Solutions

Problem Comments

Solution Comments

Problem Recent Solvers52

Suggested Problems

More from this Author44

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Community Treasure Hunt

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