I just love this unique color. It’s a warm pinky red, yellow-toned, but not in orangey way. It truly is coral. It reminds of a cherry Italian soda. It’s a great color for flowers, the inside of a strawberry, and coral of course!
It’s hard to tell what color slot to put this in, but after giving it some thought I think it mixes most like a pink rather than a scarlet.
Pigment Stats for PR209
Chemical composition: Quinacridone
Lightfastness: LFII, confirmed by me (see below)
Toxicity: Nontoxic
Experiment Results

Gradient: Bold gradient from a deep, juicy orange-red to pale salmon pink via true coral.
Opacity: Totally transparent.
Glazing: Glazes to a bold orange-red.

Salt: Reacts nicely to salt creating sparkling texture
Blooms: Pretty and complex fractal bloom shapes.
Comparison to Other Colors
Quin Rose & Scarlet Lake/Vermilion

Being a bold, transparent, pink Quinacridone, this is a natural counterpart to Quin Rose, but much more orange-toned.
However, it is pinker and not as orangeish or as reddish as Scarlet Lake (PR188) aka Vermilion. (FYI, Pyrrol Scarlet is roughly the same hue as Scarlet Lake.)
Schmincke – Quinacridone Red Light (PR207)

Schmincke doesn’t offer a PR209, but they offer a similar color, PR207. It has lower tinting strength than PR209 and, in this version at least, seems a bit more orangey.
Comparison to Other Brands
Da Vinci – Quinacridone Red

Da Vinci Quin Red is the same pigment. I wrote “watery/hard to rewet, not as nice as DS QC.” Though, when dry, I think the DV one looks better because it’s smoother and not as streaky.
Lightfastness

It doesn’t photograph as different as it looks in real life. There is noticeable muting in the exposed swatch. It is simply dulled compared to the protected strip, not as fantastically bright.
Holbein – Quinacridone Scarlet

This one also is prone to streakiness; I had a bit of trouble getting up a good masstone. It’s cooler (bluer/pinker) than DS Quin Coral, not as orange.
Multi-Brand Comparison

Looking at these all together, I can see that:
- Da Vinci is the smoothest
- Daniel Smith is among the weakest, the most orange-tinted, and the most textured
- Holbein is somewhat streaky and requires some work to get a good masstone, but it’s possible.
- Mission Gold is very similar to Holbein, a bit stronger and more orangey, and also a bit streaky.
Color Mixes
These are done with DS Quin Coral.
Lemon Yellow

Extremely bold, nearly neon oranges! QC makes the brightest oranges I know of, except those from the literally fluorescent Opera Pink.
Rich Green Gold

The balanced mix is a sort of fawn brown.
Quinacridone Gold (PY150, PO48)

Deep, intense, somehow simultaneously neon and earthy! This is the combo that DS uses for Quinacridone Sienna, and it’s perfect for sun-drenched canyons.
Monte Amiata Natural Sienna (PBr7)

A bit less glowing and more earthy than the Quin Sienna mix above, but still intense.
Transparent Red Oxide (PR101)

I’m trying to look beyond the fact that I hate the dull-to-bold gradient, but I think these mixes are pretty perfect brick reds.
Potter’s Pink

The contrast between dull and bold in this combination also seems really awkward to me, and I don’t see anything particularly nice about the brown-dusted-pink mixes.
Purple Magenta

QC needs to be treated as a “coral pink”, not a red-orange. With Magenta, it becomes rose pink, not red. This combination to me is a very very close Quinacridone Rose hue.
Indanthrone Blue

Muted purples, though this bolder than I would expect from a red-orange and an inherently muted purple-blue. I like these mixes for “purple mountain majesty” colors. The gradient itself looks really nice to me for a night sky/late sunset, if you flip it 90 degress to put the QC along the horizon and the Indanthrone up in the zenith.
Ultramarine Blue

These purples are, as one would expect, more muted than Ultramarine’s mixes with, say, Purple Magenta or Quin Rose. But – not as much as you’d expect! Most red-oranges, like Pyrrol Scarlet and Vermilion, will mix to grays or browns with blues. For a red-orange, Quin Coral mixes really purpley purples.
Cobalt Blue

Surprisingly bold purples! Unusually, these purples feel bolder and brighter to me than those with Ultramarine (a more purple toned blue).
Cobalt Turquoise

Very muted lilac purple colors.
Viridian

These get into fairly neutral grays. In dilute, the green pigment floats.
My Review
I love this color! I loved it from the first moment I swatched it out in the Daniel Smith Dot Cards, although at the time I didn’t have a specific use for it – until I started using it in sunrises/sunsets. Then, WOW! It is just the perfect mixer color for a fiery orange skies and cotton candy clouds! It mixes up this wonderful luminous, fiery yet delicate, fading-light color.

It’s also great for alpenglow.

It mixes the most vibrant oranges. It even makes purple! Who ever heard of an orange-red that mixes purple? Again, this makes it great in a sky – you can put it down right next to blue and it will fade to a pleasant muted purple in the middle instead of gray like most scarlets.

It especially came into its own in desert painting. It mixes the perfect bold sandstone color with Quin Burnt Orange (PO48).

Quin Coral is “warm,” i.e. it has orange undertones and mixes fabulous oranges, but it does not take over the use cases of a traditional scarlet. I could not use it to mix a middle red because it’s so pink – it mixes up a wide range of pinks and even purples, which may be what you want if you’re mixing flower colors, etc., but does not go red. Also, you can’t expect it to mute blues, because it will go purple instead!
Favorite version: Da Vinci – it’s just so gloriously smooth. DS has a nice hue but can be streaky.
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Da Vinci – Quinacridone Red (PR209), 8ml tube: Da Vinci Paints
Da Vinci – Quinacridone Red (PR209), 15ml tube: Da Vinci Paints | Blick | Utrecht
I love your analysis of this colour! I have been using a sample of it and am trying to decide if I want a tube. After reading this, I think I’m adding to cart!