Type your color in the box in the left, it doesn't matter the format and how you space the values.
You can also try with a keyword.
You can link to this same page with the following url formats:
An also with...
Read the about section for other useful url shortcuts.
RAL 3001 has a supplemental name to avoid confusion in case of transposed digits.
Signal red (EN)
Rouge de sécurité (FR)
Rojo señales (ES)
Rosso segnale (IT)