Wikipedia:WikiProject Elements/PTG/categories/2018

PTG (talk)
Periodic Table Graphics

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(the sciences)
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(the presentations)

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(BLOCK) (talk)

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(SOM) (talk)

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(MICRO) (talk)

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(M-nonM) (talk)

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• All PTG/categories pages
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• 2018
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• WT:PTG

• • Set:  "2018"  ()
  • Theme=000000
  • Set-page=000000
  • Set-tests=[[2018/tests]]
  • Status=Historical
  • Descr=as used 2018–2020
  • dob=2018 (latest change)
  • link1=000000
  • link2=000000

PT-legend

s-block

g-block

f-block

d-block

p-block

Summary of changes from 2013

• Deprecate "polyatomic nonmetal" and "diatomic nonmetal" categories in favor of unifying "reactive nonmetal" category
• Cn is now classfied as "unknown chemical properties"

Color set

Category colors "2018" (as used 2018–2020)
	#ff6666	Alkali metal	AM	12 (s)
	#ffdead	Alkali earth metal	AEM	14 (s)
	#ffbfff	Lanthanide	LN	22 (f)
	#ff99cc	Actinide	AN	24 (f)
	#ffc0c0	Transition metal	TM	32 (d)
	#cccccc	Post transition metal	PTM	32 (p)
	#cccc99	Metalloid	MOID	42 (p)
	#f0ff8f		ONM
	#c0ffff	Noble gas	NG	58 (p)
	#e8e8e8	Unknown	UNK	80 (spdf)

Blind PT

Periodic table
	☐	☐	☐		☐	☐	☐	☐	☐	☐	☐	☐	☐	☐	☐	☐	☐	☐	☐
◯
◯
◯
◯
◯
◯
◯

Hex neighborhood

category	number of borders
AM	2
AEM	3
LN	3
AN	3
TM	4
PTM	3
MOID	4
RENONM	3
NG	3
UNK	4
(AM in LeftStep)	4
(NG in LeftStep)	4

Contrasts

PTG: Contrast check for colorset "2018" (as used 2018–2020) · Set definition: PTG/set/2018
sort	name	bg	font	ratio	conf w3c		lum [0–1]	Hue [0–360]		HSL Sat [0–1]	HSL Lum [0–1]		HSV Sat [0–1]	HSV Val [0–1]	RGB dec [0–255]	note
																​
12 (s)	AM	#ff6666	#000000	7.34	AAA		0.32	0	​	1	0.7		0.6	1	255-102-102
14 (s)	AEM	#ffdead	#000000	16.3	AAA		0.77	35.9	​	1	0.839		0.322	1	255-222-173
22 (f)	LN	#ffbfff	#000000	14.15	AAA		0.66	300	​	1	0.875		0.251	1	255-191-255
24 (f)	AN	#ff99cc	#000000	10.68	AAA		0.48	330	​	1	0.8		0.4	1	255-153-204
32 (d)	TM	#ffc0c0	#000000	13.55	AAA		0.63	0	​	1	0.876		0.247	1	255-192-192
32 (p)	PTM	#cccccc	#000000	13.08	AAA		0.6	0	​	0	0.8		0	0.8	204-204-204
42 (p)	MOID	#cccc99	#000000	12.66	AAA		0.58	60	​	0.333	0.7		0.25	0.8	204-204-153
	ONM	#f0ff8f	#000000	19.41	AAA		0.92	68	​	1	0.78		0.439	1	240-255-143	C, P, S, Se
80 (spdf)	UNK	#e8e8e8	#000000	17.14	AAA		0.81	0	​	0	0.91		0	0.91	232-232-232
12 (s)	AM	#ff6666	#0645ad	2.98	none		0.32	0	​	1	0.7		0.6	1	255-102-102	font=wl
14 (s)	AEM	#ffdead	#0645ad	6.62	AA		0.77	35.9	​	1	0.839		0.322	1	255-222-173
22 (f)	LN	#ffbfff	#0645ad	5.75	AA		0.66	300	​	1	0.875		0.251	1	255-191-255
24 (f)	AN	#ff99cc	#0645ad	4.34	none		0.48	330	​	1	0.8		0.4	1	255-153-204
32 (d)	TM	#ffc0c0	#0645ad	5.5	AA		0.63	0	​	1	0.876		0.247	1	255-192-192
32 (p)	PTM	#cccccc	#0645ad	5.31	AA		0.6	0	​	0	0.8		0	0.8	204-204-204
42 (p)	MOID	#cccc99	#0645ad	5.14	AA		0.58	60	​	0.333	0.7		0.25	0.8	204-204-153
	ONM	#f0ff8f	#0645ad	7.88	AAA		0.92	68	​	1	0.78		0.439	1	240-255-143
58 (p)	NG	#c0ffff	#0645ad	7.71	AAA		0.9	180	​	1	0.876		0.247	1	192-255-255
80 (spdf)	UNK	#e8e8e8	#0645ad	6.96	AA		0.81	0	​	0	0.91		0	0.91	232-232-232
12 (s)	AM	#ff6666	#000000	7.34	AAA		0.32	0	​	1	0.7		0.6	1	255-102-102	solid=black
32 (d)	TM	#ffc0c0	#007000	4.09	none		0.63	0	​	1	0.876		0.247	1	255-192-192	Hg
	ONM	#f0ff8f	#cb0000	5.48	AA		0.92	68	​	1	0.78		0.439	1	240-255-143	N, O
58 (p)	NG	#c0ffff	#cb0000	5.37	AA		0.9	180	​	1	0.876		0.247	1	192-255-255
24 (f)	AN	#ff99cc	#646464	3.01	none		0.48	330	​	1	0.8		0.4	1	255-153-204	Fm-Lr
32 (d)	TM	#ffc0c0	#646464	3.82	none		0.63	0	​	1	0.876		0.247	1	255-192-192	Rf-Cn
32 (p)	PTM	#cccccc	#646464	3.68	none		0.6	0	​	0	0.8		0	0.8	204-204-204	Nh-Lv
	ONM	#f0ff8f	#646464	5.47	AA		0.92	68	​	1	0.78		0.439	1	240-255-143	Ts
58 (p)	NG	#c0ffff	#646464	5.35	AA		0.9	180	​	1	0.876		0.247	1	192-255-255
80 (spdf)	UNK	#e8e8e8	#646464	4.83	AA		0.81	0	​	0	0.91		0	0.91	232-232-232	Og

Color Blindness (CB)

Using coblis

(more later)

Element color 2018

•    Alkali metals legacy → #ff6666 
•    Alkaline earth metals → #ffdead 
•    Lanthanides → #ffbfff 
•    Actinide → #ff99cc 
•    Transition metal → #ffc0c0 
•    Post-transition metal → #cccccc 
•    Metalloid → #cccc99 
•    Reactive nonmetal → #f0ff8f 
•    Noble gas → #c0ffff 
•    Unknown chemical properties → #e8e8e8 

SoM

• A  solid → #000000 
• A  liquid → #000000 
• A  gas → #000000 
• A  unknown phase → #000000 

Analysis & issues

todo