Toledium

Toledium can be found in LED light strips, LED light bulbs, Anything LED. Its the part that makes it glow

Tl^172
is a solid makes a red hue and takes 620 to 780 days to fade out.

Tl^175
TL175 makes an orange Hue and takes 585 to 620 days to fade out.

Tl^178
TL178 makes a yellow hue and takes 570 to 585 days to fade out

Tl^183
Tl183 makes a green hue and takes 490 to 570 days to fade out

Tl^184
very rare, but makes a cyan hue and takes 490 to 520 days to fade out.

Tl^186
this isotope makes a blue hue and takes 430 to 490 days to fade out

Tl^187
this isotope makes a purple hue and takes 400 to 430 days to fade

Tl^189
makes a pink hue and takes about 410 days to fade

=== === makes a black hue and takes about 365 days to fade

Tl^195
makes a brown hue and takes about 600 days to fade

Tl^201
makes a white hue and takes 390 to 700 days to fade