Flame tests

Which element gives which colour, with the dominant emission line where there is one.

Element	Colour	Emission line
Lilithium	crimson	671 nm
Nasodium	intense yellow	589 nm
Kpotassium	lilac	766 nm
Rbrubidium	red-violet	780 nm
Cscaesium	blue-violet	852 nm
Cacalcium	orange-red	622 nm
Srstrontium	scarlet	606 nm
Babarium	apple green	several lines
Cucopper	blue-green	several lines
Bboron	bright green	518 nm
Pblead	pale blue	several lines
Znzinc	blue-green	several lines
Inindium	indigo	451 nm
Tlthallium	bright green	535 nm
Asarsenic	pale blue	several lines

These tables are entered by hand rather than ingested from a source, unlike the element and nuclide data elsewhere on this site. They are checked for internal consistency against the sourced data at every build, but they carry no citation of their own.