Jim Pingle

Father, geek, serial hobbyist.

Sailor Yurameku Date Gokoro: A tale of two papers, or: WTF?

Yes, this is the same ink swatched the same way. Not only does it look like a completely different base color, the sheening looks different as well. I like both, thankfully.

Col-o-ring cards (top) are thick/rough. Iroful swatch cards (palette design) are thin/smooth, like the paper. Iroful is known for being different, it's very evident here.

With bonus chromatography shot.

Photo of two ink swatch cards. Both cards have text reading "Sailor Date Gokoro", a couple pen scratches, and large blobs of ink made with the back end of a glass dip pen. The top card is a col-o-ring card. On this paper the ink appears to be a dark red/purple with some reflective sheen overall. The bottom card is an Iroful swatch card. It has an image of an artist's palette and the ink blob is inside the design. On this paper, the ink looks like a midnight blue/purple with some red sheen in places where more ink has settled.
Photo of two strips of chromatography paper. Both are similar, having a light blue on the left, some white area in the middle and finishing with a light red on the left. The lower strip has some purple around the edges and in the transition area between red and blue. The top strip was made using a metal dip pen to draw a line. The bottom strip was made using a the back of a glass dip pen to draw the line.

I tried it on different paper but none quite had the dramatic extremes of Col-o-ring vs Iroful. That at least tells me while neither one alone will necessarily demonstrate an ink's true color, together they provide a useful bracketed frame of reference.

There were some nice variations between certain parts on different papers, especially Midori/Life Noble which showed multi-shading well.

Five photo collage comparing how the fountain pen ink Sailor Date Gokoro looks on different paper types. In each photo is a control comparison with col-o-ring and iroful swatch cards where the ink shows extremes between col-o-ring being red-purple and iroful being dark blue. Each paper has the ink name written out with a stub nib and a blob underneath made with a glss dip pen. Top left: Paperage Notebook. Writing is more blue, shading is more red. Left side of blob is purple, right side is much more red. Top right: Clairefontaine Triomphe. Writing is more uniformly red. Ink blob is more blue on left, red on right. Center: Tomoe River S Kanso. Writing is mixed, some areas more blue, shaded areas more red. Blob is more neutral overall, but a little more blue on left, red on right where more ink settled. Bottom left: Midori MD Notebook. Writing has three different areas. Heavily shaded areas are more red, some that are in between, and some areas with lighter shading are more blue. Bottom right: Life Noble Note. Similar to Midori with three areas.

In each photo is a control comparison with col-o-ring and iroful swatch cards where the ink shows extremes between col-o-ring being red-purple and iroful being dark blue.

  • Top left: Paperage Notebook. Writing is more blue, shading is more red. Left side of blob is purple, right side is much more red.
  • Top right: Clairefontaine Triomphe. Writing is more uniformly red. Ink blob is more blue on left, red on right.
  • Center: Tomoe River S Kanso. Writing is mixed, some areas more blue, shaded areas more red. Blob is more neutral overall, but a little more blue on left, red on right where more ink settled.
  • Bottom left: Midori MD Notebook. Writing has three different areas. Heavily shaded areas are more red, some that are in between, and some areas with lighter shading are more blue.
  • Bottom right: Life Noble Note. Similar to Midori with three areas.

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