PAINT

Iridescence is an optical phenomenon of surfaces in which hue changes with the angle of observation and the angle of illumination.

https://en.wikipedia.org/wiki/Iridescence

THERMOCHROMIC PAINT PIGMENT will change color at 86 degrees F to reveal base coat.

https://kandypearls.com/shop-kustom-paint/temperature-changing-paint/


Orange Ghost Pearl  / Orange Interference Pearls
http://www.pearlsandpigments.com/Interference-Pearls/

https://www.paintwithpearl.com/shop/interference-iridescent-ghost-pearls-pigments/orange-ghost-pearl/


Pearl Pigments
http://www.kppigments.com/collections/interference-pearls

https://www.dipyourcar.com/collections/kp-pigments



INTERNATIONAL ORANGE

Bridge Sample: 16-88-97-5

http://goldengatebridge.org/research/factsGGBIntOrngColor.php

When purchasing paint for the Golden Gate Bridge, it is done through a competitive bidding process. Currently, the paint is supplied by Sherwin Williams and is made to match the Bridge International Orange color formula. The closest off-the-shelf paint color that Sherwin Williams has available is "Fireweed" (color code SW 6328).

Many people ask about the formula for the Bridge’s unique International Orange paint color. Paint stores can mix it with the following information:

CMYK colors are: C= Cyan: 0%, M =Magenta: 69%, Y =Yellow: 100%, K = Black: 6%.

The closest existing color codes to GGB International Orange color are:
PMS 173 (CYMK = 0%, 80%, 94%, 1%),
PMS 174 (CYMK 8%, 85%, 100%, 34%)
Pantone 180 (CYMK 19.4%, 77.9%, 79.6%, 3.6%) 

https://www.google.com/search?q=fireweed&espv=2&biw=858&bih=843&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjB2arEg6TKAhUCqx4KHf_rDKIQ_AUIBigB#tbm=isch&q=golden+gate+international+orange

http://www.colorhexa.com/ff4f00

https://namedropping.wordpress.com/2012/10/07/the-golden-gate-and-the-international-orange-bridge/

http://www.danielsmith.com/content--id-108