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 5015 has a supplemental name to avoid confusion in case of transposed digits.
Sky blue (EN)
Bleu ciel (FR)
Azul celeste (ES)
Blu cielo (IT)