I recall that on one post you referred to Fëanorian black. I am curious about your thoughts on Fëanorian heraldry and colors! Many people on tumblr assume that the sons of Fëanor used red as their primary color, which makes sense because of Fëanor’s red plume, but the text never says what color their banners, shields, surcoats etc are.
I have a work for that -- From Charcoal to Nigrosin: Historical Perspectives on the Heraldic Role of the Colour Black in Noldorin Society -- which explains my in-world headcanons about the development of black as the heraldic colour of the High King of the Noldor. Tl;dr, I don't subscribe to the red meta at all, and while you could draw historical parallels with the usage of red by Rome or earlier formal portraiture of medieval monarchs and a masculine, virile, active symbol, I essentially rarely or never see this done. The use of red because it was mentioned one time in the text and which is in contradiction with Fëanor's featured heraldry is IMO simplistic, unimaginative, symbolically tired and thoughtless.
The meta behind my ideas and the piece above is influenced both by historical precedent and by personal interpretation of the text as follows:
Tolkien-specific reasoning:
Fëanor is not associated with a particular colour the way silver and blue is highlighted in connection with eg Nolofinwëan banners. The only mention of an associated colour is a red plume -- and I know the fandom likes its simplistic contrasts, red and blue, fiery and stoic, evil and good etcetera, but plumes historically have not always had a neatly delineated heraldic colour association with the primary heraldic colour of a king or country, and red may as well have been chosen from an accessory colour or something for the easy identification of soldiers in a crowd (many late 15th and early 16th century artworks show a wide variety of plumes in secondary and decorative colours, so I think it is a logical leap missing several steps to latch onto this association without consideration for other sources).
What we do know about Fëanor's heraldics is limited to 2 things: his heraldic device, which is yellow or amber over white or light blue with the Silmaril in all colours of the light, flames, and a black band around the middle (the flames are clearly a reference to his name, and other rainbow and light symbols appear to be references to the Silmarils (which would not have yet existed while he was young, so it's likely this is a later creation that may have been made after he had adopted heraldic colour associations already)). The second is the Star of Fëanor, which on the Doors of Durin is described as made of silver and eight-rayed.
We don't actually see a prominent usage of red and gold anywhere; the flames are more orange, the yellow is too pale and seems to infer light/fire more than gold, when compared to eg the device of Finarfin, the colour of which is far more golden. What we can infer is an association with light, and potentially the usage of silver in Fëanor's earlier heraldry, eg the star.
Elves are said to love starlight, and are therefore more partial to the silver light of Telperion, the child of which (Galathilion) is planted in the King's square. Telperion, and later the Moon, are also both the elder between two disparate sources of light. Therefore an association of silver (or mithril) with the King of the Noldor and with primogeniture can be drawn.
Gold, though loved by the Noldor, is associated with the Vanyar and their golden hair, and features prominently in the heraldry of eg Finarfin. Silver is also repeatedly mentioned first, with gold second, in the prose of the published Silmarillion.
Historical and theoretical precedent:
Black was, on several occasions throughout history, a dye associated with wealth and nobility. The historical period in which I base much of my art and descriptions, spanning between 15th and 16th century, is marked by the switch from rich colours like red or blue to black dominating formal clothing donned by nobility, and marked by such sumptuary traditions as that of Philip the Good, Mary of Burgundy and Maximilian I Habsburg or the Black Protocol of the Spanish Court. Its usage by Philip the Good was initially surprising to the public; however, it would become deeply influential and often repeated afterwards.
This is because black was a markedly difficult colour to produce, requiring a complex dyeing process to achieve a rich, lightfast black, which made it a mark of both wealth and to some extent artisanal pride. Until the 14th century, a consistent rich black dye was exceedingly difficult to attain -- with the perfection of the process came its popularisation among the upper classes and a cementing of black as the colour of nobility.
Black was a colour associated as such with gravity, nobility, power and authority, loyalty, though also death and mourning. The association with visual signifiers of power has an old root.
In the theory of colour, black can be considered to be the sum of all pigments/hues overlaid and multiplied, therefore encompassing the entire colour spectrum. White can be considered the same symbol of unity as a combination of all the colours of light.
This change in fashion coincides with one of the major periods of European history characterised by religious conflict and social upheaval, which is also the historical period I refer to in other elements of my headcanons and worldbuilding
read more on the historical developments of black dye and their societal role
From this, I draw several conclusions:
Fëanor associates himself with silver to affirm his primogeniture and legitimacy as heir, and with clear gems to represent the unity of light, the Unsullied Light, a universal fire
Being able to create good, rich, lightfast black becomes a mark of artisanal pride in the developing sumptuary tradition of Tirion as the science of dye develops
Black, being a complex and laborious dye to achieve, but also associated with the dark hair of the Noldor as well as gravity and nobility, is adopted by Finwë as non-factional; Fëanor co-opts its usage and intensifies it for power-dressing, but also due to its unifying element of showcasing all pigments at once, referencing a certain universal mastery, an unquestionable claim of heritage that is deeply noldorin
Fëanor's wearing of black exists in contrasting symbolism of gravity and authority versus the frivolous masses during the Unrest, meant to paint him as the leader meant to be followed
Black as a colour of mourning creates a subtle parallel back to Míriel's death; a confirmation of Fëanor's lineage dating back to her through mourning rather than its denial
Fëanor would not don gold, associated with the Vanyar and Indis and her children, as his primary heraldic metal, and if he had, I find it unlikely that it would have been picked by Finarfin also
The duality of black and silver/white allows gems to shine more brightly, resembling a night sky; symbolism hearkening back to the origin of elves at Cuiviénen
On a meta level, an ironic parallel and contrast with the darkness of Morgoth is drawn
Its eye-catching element in society becomes widely adopted by Fëanor's followers who seek to distinguish themselves from the brightly dressed crowds to mark their loyalties. This marks a change in the outward indications of worldview among the Noldor as a whole, from bright garments to sombre dyes, which coincides with the societal changes wrt/ kingship, loyalty, primogeniture, private property first and foremost violence, marking a turn in Noldorin thinking as a whole and walking hand in hand with the upheaval of the Darkening as a whole
Red has been used, but as an accessory colour of rich noble garments and an identification element more than a main heraldic colour
Therefore, black and silver are the mainstays of the Fëanorian camp throughout the First Age, although its differing applications and attenuation with other colours and metals varies.
An even more uncompromising usage of black and silver is observed with Celegorm & Curufin in the fashion of totalitarian power-dressing, denoting a more arduous following of Fëanor's ideals and a more extreme application of his ideology and principles
Caranthir adopts additional gold elements in order to distinguish his ranks and commemorate his economic activity and good relations with the Dwarves, but without diverging heavily from the black and silver template
The red is particular to Maedhros, who uses it as an accessory colour to Fëanor's earlier heraldics and functions as a callback to his own ancestry through Nerdanel as well as to earlier Noldorin sumptuary custom (a subtle underhanded declaration of seniority, but also something for the older, less fanatical Fëanárian followers to latch onto)
tl;dr: black and silver has both symbolical meaning wrt/ Tolkien's worldbuilding as symbols associated with the Noldor and with primogeniture among the Elves, and historical precedent in the fashions of late medieval and early renaissance Europe from which I draw inspiration, mirroring this era of social changes, scientific and artistic boom and religious upheaval followed by wars with the Darkening and the First age