Warm Wedge
- Nicolas de Cosson
- Feb 21
- 5 min read




Core Palette — The Engine
Pyrrole Red Light → Warm, high-chroma fire
Indian Yellow → Transparent golden glow
Phthalo Turquoise Light → Cool, electric depth
Titanium White → Value control
(Optional: Burnt Umber for subtle neutral control)
What This Creates
A warm-dominant wedge (red + yellow)
A single powerful cool counterweight (turquoise)
Strong complementary tension
Chromatic blacks from red + turquoise
Luminous greens from yellow + turquoise
Blazing oranges from yellow + red
This palette is asymmetrical by design — and that asymmetry creates energy.
It is not about full-spectrum coverage. It is about tension and vibration.
💜 About Violet
You cannot get a bright, electric violet from this system.
You can get:
Deep plums
Aubergine shadows
Rich chromatic darks
This limitation strengthens the palette’s identity. You chose tension over completeness — and that’s powerful.
🌺 Why Primary Magenta (PV19 + PW6) Doesn't Work (but can be used to bring back Violette)
Splits your red axis (warm + cool red confusion)
Contains white → reduces transparency harmony
Makes violets too easy and synthetic
The palette works because it’s disciplined.
⚫ Iron Oxide Black
Use as:
Graphic punctuation
Negative space
Deep structural anchor
Avoid:
Mixing heavily into colors (it kills vibration)
Prefer chromatic blacks from red + turquoise whenever possible.
✨ Iridescent Gold Deep
Treat as:
Surface event
Light-reactive glaze
Accent over warm passages
It amplifies Indian Yellow beautifully.
Use sparingly for alchemical effect.
🌫 Transparent Silver
Use as:
Cool atmospheric shimmer
Layer over dark warm areas for moonlit tension
Optical contrast tool
Not a value highlight — a reflectivity highlight.
🧠 The Philosophy of the Palette
This system is built on:
Fire vs Water
Warm cluster vs Cool anchor
Glow vs Depth
Everything you add should either:
Increase that tension
or
Frame it without diluting it
When something feels “off,” it’s usually because it reduces contrast, clarity, or structural hierarchy.
🏁 Final Working Rule
If a new color:
Duplicates a mixing path → remove it
Softens the warm/cool polarity → reconsider it
Intensifies contrast or surface light → consider it
This palette is not about variety.
It’s about controlled electricity.
** FURTHER NOTES FOR CONSCIDERATION
Artistic Differences Between the Two
Property | Pyrrole Red Light | Phthalo Turquoise Light |
Temperature | Warm | Cool |
Opacity | Semi-opaque | Transparent |
Tinting Strength | Strong | Extremely strong |
Mixing Behavior | Predictable | Dominates mixtures |
Emotional Tone | Bold, assertive, energetic | Fluid, luminous, atmospheric |
Complement | Green family | Red family |
These are near opposites in temperature and emotional effect.
If placed side by side, they create intense chromatic contrast.
If mixed together, they neutralize into deep dark browns or near-blacks because they are close to complementary.
From a Master Colorist’s Perspective
Pyrrole Red Light is a flame.
Phthalo Turquoise Light is deep water.
One advances aggressively.
The other recedes spatially.
One feels corporeal and solid.
The other feels atmospheric and infinite.
Together, they form dynamic tension.
The Core Limited Palette
1. Pyrrole Red Light (PR254)
Warm, high-chroma red
Your fire.
2. Phthalo Turquoise Light (PB15 + PG7 blend)
Cool, intense blue-green
Your water.
3. A Warm Yellow — Indian Yellow for example
(If choosing a specific pigment family: PY74 or PY65 types)
Why warm?
Because Pyrrole already leans warm — this gives us powerful oranges.
4. Titanium White (PW6)
For value control and opacity.
5. Burnt Umber (PBr7)
Your neutralizer and shadow maker.
That’s five tubes.
With this, you can paint almost anything.
What This Palette Can Do
Oranges
Pyrrole + warm yellow→ blazing, saturated oranges
Greens
Phthalo Turquoise + yellow→ intense emeralds
Neutralize slightly with Pyrrole for natural foliage.
Violets
Pyrrole + Phthalo Turquoise
Because the turquoise contains blue, you can push toward deep wine or near-black violets.
Deep Neutrals
Phthalo + Pyrrole + Burnt Umber→ rich chromatic blacks (far more alive than tube black)
Skin Tones
Pyrrole + Yellow + White
Neutralize slightly with Phthalo
Warm with Burnt Umber
You get luminous flesh.
Why This Works Structurally
You have:
A warm primary (red)
A cool primary (blue/green)
A warm yellow
An earth neutral
A value extender
This creates built-in temperature tension.
The Phthalo is extremely strong.
Use it sparingly — think of it as a dye.
The Pyrrole is assertive but more controllable.
Burnt Umber:
Instantly lowers chroma
Warms shadows
Speeds drying (in oils)
The Emotional Character of This Palette
This is not a pastel landscape palette.
It is cinematic.
High contrast
Deep atmospheric shadows
Luminous highlights
Powerful color tension
One could paint:
Stormy seascapes
Urban night scenes
Expressive portraits
Contemporary abstract work
If I Wanted to Refine It Further
Option A: Remove Burnt Umber
Mix neutrals only from complements.
More modern, more electric.
Option B: Replace Titanium White with Zinc White
More transparency, better glazing.
Option C: Add a cool yellow (like Hansa Yellow Light)Expands green range dramatically.
🎨 Step 1 — Locate Them on the Wheel
Imagine a 360° hue circle.
We’ll place them approximately (because pigment wheels are not perfectly spectral).
Indian Yellow → ~60° (warm golden yellow)
Pyrrole Red Light → ~15–25° (warm red leaning toward orange)
Phthalo Turquoise Light → ~190–200° (blue-green leaning toward green)
Now let’s visualize the geometry.
🔺 The Hidden Structure: A Biased Split Complementary System
Phthalo Turquoise sits almost opposite the red-orange zone.
But Pyrrole Red Light is not a neutral red — it leans warm (toward orange).
Indian Yellow also leans warm.
So instead of a symmetrical primary triangle…
We actually have:
A compressed warm cluster
versus
A single powerful cool anchor
Visually:
(Indian Yellow ~60°)
*
/
/
(Pyrrole ~20°) (Phthalo Turquoise ~195°) This is not equilateral.
It’s a tension triangle.
What This Means Structurally
1) Warm Dominance
Two of the anchors sit within ~40° of each other.
That creates:
Strong orange mixing power
A unified warm family
Cohesion in highlights and skin tones
2) A Deep Cool Counterweight
Phthalo Turquoise sits nearly opposite that warm cluster.
This creates:
Strong complementary tension
Powerful neutral mixing
Dramatic shadow potential
It acts like gravity pulling against the warmth.
Mixing Geometry
Now let’s map the mixture lines.
Pyrrole + Indian Yellow
You travel between ~20° → 60°Result:
Brilliant oranges
High chroma warmth
Sunset spectrum
Indian Yellow + Phthalo Turquoise
You travel ~60° → 195°Result:
Luminous greens
Olive when slightly neutralized
Deep forest tones when darkened
Pyrrole + Phthalo Turquoise
You cross the wheel. Result:
Near-black chromatic neutrals
Wine reds
Deep aubergine shadows
This is the most powerful axis.
Internal Balance
This palette forms:
A warm wedge (about 40° wide)Opposed by a cool spike
This creates:
Harmony within warmth
Drama between warm and cool
Strong value compression in shadows
Glowing highlight potential
It is asymmetrical — and that asymmetry is expressive.
Why It Feels Cinematic
Because most of the wheel is missing.
You do NOT have:
A true violet
A true blue
A cool yellow
So the palette forces:
Temperature contrast instead of rainbow variety
Chroma control through complements
Emotional cohesion
This is similar structurally to palettes used in:
Neo-impressionist color tension
Contemporary figurative realism
Modern cinematic lighting
The Real Question about Iron Oxide, Gold and Silver
Do these additions strengthen electric tension —or soften it?
Iron Oxide Black:→ Can strengthen contrast if used as negative space→ Can kill vibration if mixed into color
Iridescent Gold:→ Can intensify warmth→ Adds dimensional shimmer
Transparent Silver:→ Enhances cool atmosphere→ Can create optical tension when layered over warmth
Strategy With This Palette
If I were painting with this system:
Keep the core palette clean and dominant.
Mix shadows chromatically first.
Use Iron Oxide Black only for absolute depth or graphic interruption.
Apply Gold and Silver as surface phenomena — almost like varnish accents.
They should not become structural colors.
They should become events.
One Important Warning
Metallics flatten under matte varnish.
They need gloss to shine.
Also:
They photograph poorly.
They are experiential in real life.

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