🚀 go-pugleaf

RetroBBS NetNews Server

Inspired by RockSolid Light RIP Retro Guy

Article View: alt.folklore.science
Article #1050

Re: Perceiving "Neon/Florescent" Colors

#1050
From: Paul Singleton
Date: Tue, 22 Dec 1992 18:44
18 lines
1576 bytes
From article <28843@oasys.dt.navy.mil>, by wrd@oasys.dt.navy.mil (Wm. Race Dowling):
> In article <1h5ehoINN707@cronkite.Central.Sun.COM> pstryjew@colsun.Central.Sun.COM writes:

> >How does the human eye perceive "Neon/Florescent" color (i.e. hot pink, blaze
> >orange, the Crayola Florescent Crayons)?  
> >
> >I assume it has something to do with absorption of UV light, but where in the
> >spectrum do they reside?  Are they hiding in the "visible" spectrum?  How are
> >the dyes made, I can't make them with additive mixing of the three primaries.

There is nothing unusual in the way the eye perceives these colours.  The
colours can be made by mixing red, green and blue light, but apparently
not by selective absorbtion of white light by dyes on paper.  Not sure why.
----
  __   __    Paul Singleton (Mr)           JANET: paul@uk.ac.keele.cs
 |__) (__    Computer Science Dept.        other: paul@cs.keele.ac.uk
 |  .  __).  Keele University, Newcastle,    tel: +44 (0)782 621111 x7355
             Staffs ST5 5BG, ENGLAND         fax: +44 (0)782 713082
Technical Details
Message-ID: <BzoC1D.It7@gabriel.keele.ac.uk>
Path: arc1-ca.pugleaf.net!sparky!uunet!haven.umd.edu!darwin.sura.net!spool.mu.edu!agate!doc.ic.ac.uk!uknet!keele!news
References: <28843@oasys.dt.navy.mil>

Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!sparky!uunet!haven.umd.edu!darwin.sura.net!spool.mu.edu!agate!doc.ic.ac.uk!uknet!keele!news
From: csa09@seq1.keele.ac.uk (Paul Singleton)
Newsgroups: alt.folklore.science
Subject: Re: Perceiving "Neon/Florescent" Colors
Message-ID: <BzoC1D.It7@gabriel.keele.ac.uk>
Date: 22 Dec 92 18:44:01 GMT
References: <28843@oasys.dt.navy.mil>
Sender: news@gabriel.keele.ac.uk (UseNet News Service)
Organization: Keele University, England
Lines: 18
Nntp-Posting-Host: seq1.cc.keele.ac.uk