rgblab
RGB to CIELAB Converter
Convert a RGB colour to CIELAB, with a live swatch and every other notation alongside.
To convert RGB to CIELAB, paste your colour above — any recognisable notation is accepted, including named CSS colours — and every format is shown at once with a live swatch. CIELAB was designed to model human vision and underpins colour-difference calculations. It is the reference space rather than an authoring one.
Runs in your browserAbout converting RGB to LAB
RGB gives each channel as 0–255. It is the same colour space as hex, just written differently, and adds an alpha channel as a fourth value. CIELAB was designed to model human vision and underpins colour-difference calculations. It is the reference space rather than an authoring one.
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