DGktylman

“Light is therefore colour.” ~ Joseph Mallord William Turner, English Romantic Painter, (1775-1851)

[The Public Domain Review @PublicDomainRev]

New Essay — ”Primary Sources: A Natural History of the Artist's Palette”, @philipcball on the science and stories behind painters' pigments, from the red ochre of Lascaux to Yves Klein's blue: https://t.co/eRfEbOajyj

[κιννάβαρι @cinnabarim]

Let’s talk about #EgyptianBlue, its manufacture and use from Egypt to the Iberian Peninsula, with a special insight into the Vesuvian area, where this pot containing original pigment has been excavated.

[Isabella @Orchella49]

Early 20th C 'shellfish-dyed cotton threads' found in the archive and analysed by Professor Zvi Koren were found to be genuine: an extraordinary find. No murex dyed samples as early exist in ‘modern’ times #InternationalArchivesWeek2020 #lichendyes #shellfishpurple

[Matt Henderson @matthen2]

images as bar charts of red, green, and blue

[DGktylman @DGktylman]

The Cyanometer Is a 225-Year-Old Tool for Measuring the Blueness of the Sky | Colossal https://t.co/VGMabdT2z1

[Patrick Baty @AnatomyofColour]

This is a photomicrograph of a cross secrion of paint applied to the panelling on a current project. I know that the first scheme dates from 1677 and the existing one from 1995. By examining many samples from this… https://t.co/NR7PHrFy8Q

[Patrick Baty @AnatomyofColour]

The British Colour Council's Dictionary of Colours for Interior Decoration was published in 1949. It consisted of three volumes, two of colour samples and a third of names and a history of the colours. 378 colours… https://t.co/4uoTcevBV2

[DGktylman @DGktylman]

Making beautiful colours without toxic chemicals https://t.co/xLaJGO4nqk

[Shaping Colour @ColourShaping]

Read more about @StAndrewsUniLib's copy of Patrick Syme's influential and exquisite colour manual 'Werner's Nomenclature of Colours' (1821) at https://t.co/7sSwcPp46m...

[The Royal Society @royalsociety]

Explore a scientific history of colours: https://t.co/6d3jcOG9mh

[Ben Fry @ben_fry]

For one of our Friday talks, Paul did a lecture on color, and we were so excited about it that we went a little overboard and created an entire app out of it.

It starts by explaining how color works, and ends with a palette making challenge 🤹‍♂️ https://t.co/4Qlwvrz3WI

[Stephen Westland @stephenwestland]

Why can we see magenta if it is not a real colour?

https://t.co/kv67vdD5z8

[Patrick Baty @AnatomyofColour]

Chart of Becoming Colors - suggestions for the colours that most suit the brunette of fair complexion, or of dark or olive complexion. Those with blue eyes are further aided #color #colour #anatomyofcolour… https://t.co/b6eL0PmeNC

[Patrick Baty @AnatomyofColour]

The First Chromatic Circle containing pure hues, from Cercles Chromatiques de M.E. Chevreul. Paris, 1861. One of many colour wheels illustrated in The Anatomy of Colour #anatomyofcolour #anatomyofcolor #paint… https://t.co/AeH3IS7cFw

[DGktylman @DGktylman]

https://t.co/2hCRbGDx5c

[colour-science @colour_science]

@PhilStrahl For the scientific version, the key being equal Radiant Power results in radically different Luminous Flux because of HVS sensitivity to light:

[Patrick Baty @AnatomyofColour]

Some of the ready-mixed colours available in lead-based paint in 1950 #anatomyofcolour #anatomyofcolor #paint #patrickbaty #paintcolour #paintcolor #colour #color #theanatomyofcolour #theanatomyofcolor #leadpaint… https://t.co/sN6S8FxKvJ

[Patrick Baty @AnatomyofColour]

The curious powdery bluish colour on the upper level of the suspension towers of Hammersmith Bridge is due to the action of sunlight on the Bronze Green paint. The paint was applied following the analysis carried out… https://t.co/UwgSO7Ow5E

[Patrick Baty @AnatomyofColour]

Empire Green and other Colours. From Thomas Parsons' A Tint Book of Historical Colours of 1934. This was one of the more influential colour ranges of the 20th century in the UK. The colours in the range are still… https://t.co/LmJNMSIFC9

[Patrick Baty @AnatomyofColour]

The fandecks produced by the Royal Horticultural Society are a development of a small number of colour ranges that appeared in the 20th century. These are discussed and illustrated in The Anatomy of Colour… https://t.co/7qSwqHwlaC