After trying so many...

I finally found one I halfway liked with the blue/yellow option in On1's split-tone effects. Shot in monochrome.

[moni kozi]

Lovely light

[Mags]

@monikozi Thank you, Monica.

[Susan Wakely]

Nice. Varying shades.

[Bucktree]

Great tones and textures.

[mittens (Marilyn)]

Looks good.

[Diana]

Lovely tones and light.

[Rob Z]

It shows up the details beautifully

[Mags]

@wakelys Thank you, Susan.

@dkellogg Thank you very much, David.

@mittens Thank you, Marilyn.

@ludwigsdiana Thank you, Diana.

@robz Thank you so much, Rob. =)

[Larry Steager]

Very nice.

[Walks @ 7]

Like the gentle tones

[Babs]

Nice one.

[Mags]

@larrysphotos Thanks, Larry.

@joysabin Thank you, Joy.

@onewing Thank you, Babs.

[haskar]

Lovely light.

[Mags]

@haskar Thank you, Haskar.