Jim Pingle

Father, geek, serial hobbyist.

This is the first of a few Pennonia fluorescent ink samples I bought. From the listings they appear darker than highlighter inks, so more useful, but still react to UV. This one is "Napnyugta Sunset" which is sort of a peach-ish orange. Hit it with UV, though, and it glows *bright* orange. The chromatography strip glows more yellow.

Top of each pic is in regular light, bottom is in UV.

I may need a whole bottle of this.

Two photo collage of an Iroful swatch card with a line drawing of a paint palette. The top photo is in regular light, the bottom photo is under UV light. The ink on the card is a peachy orange with some shading so several areas are a little darker orange. On the left, inside the line drawing is a blob of ink with swirls and spots of darker ink. On the right is text reading "Pennonia Napnyugta Sunset" with an X and a curlicue underneath. The bottom card is the same but the paper has a slight bluish hue. The ink appears much brighter glowing orange.
Two photo collage of a col-o-ring swatch card. The top photo is in regular light, the bottom photo is under UV light. The ink on the card is a peachy orange with some shading so several areas are a little darker orange. On the right is a blob of ink with swirls and spots of darker ink. On the left is text reading "Pennonia Napnyugta Sunset" with an X and a curlicue underneath. The bottom card is the same but the paper has an intense bluish hue. The ink appears to be glowing orange.
Two photo collage of a chromatography strip with ink. The top photo is in regular light, the bottom photo is under UV light. The top strip has some areas that are yellow and others that are orange. The bottom photo shows it glowing bright yellow with a couple spots of glowing orange. There is a faint blue glow just ahead of the orange and yellow part.
Two photo collage of a paper towel with ink spots on it. The top photo is in regular light, the bottom photo is under UV light. The top photo has spots of darker orange. The bottom photo shows it glowing bright orange with a couple tiny spots glowing yellow.

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