🧪 The Chemist's Bench
An Expanded Scientific Color Palette
Researched via Wikipedia rabbit holes • Click any swatch to copy hex code
🌊 Core Phthalo Waters
The site's primary palette — phthalocyanine pigments and aquatic tones
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Phthalo Deep
#0D5C63
C₃₂H₁₆CuN₈
Phthalocyanine blue-green pigment
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Aquamarine
#78CDD7
Be₃Al₂Si₆O₁₈
Beryl gemstone, color from trace iron
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Prussian Blue
#003153
Fe₄[Fe(CN)₆]₃
First modern synthetic pigment (1706)
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Dark Slate
#1A2E35
Metamorphic rock
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Soft Slate
#3D4F58
Weathered slate
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Light Teal
#F0F5F4
Tinted background
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Near White
#FAFBFB
Page background
🎨 Section Accents
Distinct colors for different site sections
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Oxblood
#6B1C23
Iron-rich hemoglobin oxidation, traditional leather dye
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Tyrian Purple
#5D2E8C
C₁₆H₈Br₂N₂O₂
Murex snail mucus, worth more than gold in antiquity
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Amber
#B8860B
Fossilized tree resin, 30-90 million years old
⚗️ Metallic Compounds
Colors from copper, iron, cobalt, and other transition metals
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Nd:YAG Gold
#D4AF37
Nd:Y₃Al₅O₁₂
Neodymium laser emission
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Verdigris
#43B3AE
Cu(CH₃COO)₂·nCu(OH)₂
Copper acetate patina, Statue of Liberty green
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Azurite
#4169E1
Cu₃(CO₃)₂(OH)₂
Copper carbonate, slowly converts to malachite
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Malachite
#0BDA51
Cu₂CO₃(OH)₂
Copper carbonate hydroxide, ancient eyeshadow
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Cobalt Blue
#0047AB
CoAl₂O₄
Cobalt aluminate, PB28, exceptionally stable
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Egyptian Blue
#26619C
CaCuSi₄O₁₀
First synthetic pigment (~3000 BCE)
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Ultramarine
#002FA7
Na₈Al₆Si₆O₂₄S₂
From lapis lazuli, once more expensive than gold
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YInMn Blue
#0093AF
YIn₁₋ₓMnₓO₃
First new blue in 200 years (2009)
💎 Minerals & Ores
Natural mineral pigments — iron oxides, clays, and crystalline structures
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Yellow Ochre
#CC7722
Fe₂O₃·H₂O
Hydrated iron oxide, 40,000+ years of use
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Raw Sienna
#8B4513
Fe₂O₃ + MnO₂ + Al₂O₃
From Siena, Italy, limonite clay
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Raw Umber
#6F4E37
Fe₂O₃ + MnO₂ + SiO₂
From Umbria, cooler than sienna
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Caput Mortuum
#722F37
Fe₂O₃
Purple-brown hematite, Mars Violet
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Cinnabar
#E34234
HgS
Mercury sulfide, dragon's blood in alchemy
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Fluorite
#7B68EE
CaF₂
Origin of the word fluorescence
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Turquoise
#40E0D0
CuAl₆(PO₄)₄(OH)₈·4H₂O
Copper aluminum phosphate, 6000 years of jewelry
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Rhodochrosite
#E9967A
MnCO₃
Manganese carbonate, rose stone
🔥 Flame Test Colors
Element identification via atomic emission — from Bunsen burner to fireworks
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Sodium Yellow
#FFD700
D-line doublet, masks other elements
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Lithium Crimson
#DC143C
Element discovered by flame test (1817)
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Strontium Red
#FF0000
Road flares, red fireworks
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Barium Green
#7CFC00
Apple green, from Ba⁺ ion
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Potassium Violet
#8B008B
Pale lilac flame
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Copper Blue-Green
#00CED1
Green alone, blue with chloride
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Calcium Orange
#FF4500
Orange-red flame
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Cesium Blue
#4169E1
First element discovered spectroscopically
💡 Spectral Emissions
Laser lines, hydrogen series, and laboratory light sources
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HeNe Red
#FF6B6B
Helium-neon laser, barcode scanners
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KTP Green
#32CD32
Frequency-doubled Nd:YAG, green laser pointer
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Argon Blue
#00BFFF
Argon-ion laser, flow cytometry
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Nitrogen UV
#9370DB
N₂ laser, MALDI mass spec
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H-alpha
#DC143C
Hydrogen Balmer series, emission nebulae
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H-beta
#00CED1
Hydrogen blue-green line
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Rhodamine
#FF1493
C₂₈H₃₁ClN₂O₃
Fluorescent water tracer, EPA hydrology
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Fluorescein
#ADFF2F
C₂₀H₁₂O₅
Chicago River green, medical imaging
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Ruby Laser
#E0115F
694.3nm
First working laser (1960). Chromium-doped aluminum oxide.
Wikipedia: Ruby laser
🌿 Biological Pigments
Living color — photosynthesis, blood, autumn leaves
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Chlorophyll
#228B22
C₅₅H₇₂MgN₄O₅
Magnesium porphyrin, powers photosynthesis
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β-Carotene
#FF8C00
C₄₀H₅₆
Carrots, autumn leaves, flamingos
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Hemoglobin
#C41E3A
C₂₉₅₂H₄₆₆₄N₈₁₂O₈₃₂S₈Fe₄
Iron porphyrin in blood
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Bilirubin
#E3A857
C₃₃H₃₆N₄O₆
Heme breakdown, bruise yellow
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Anthocyanin
#8B0000
C₁₅H₁₁O₆⁺
pH indicator, blueberries to autumn leaves
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Lycopene
#FF6347
C₄₀H₅₆
Tomatoes, watermelon
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Melanin
#36454F
(C₁₈H₁₀N₂O₄)ₙ
UV protection in skin, hair, eyes
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Lutein
#FFD700
C₄₀H₅₆O₂
Yellow xanthophyll, eye protection
📜 Historical Pigments
From cave paintings to Renaissance masters — pigments with stories
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Carmine
#DC143C
C₂₂H₂₀O₁₃
Cochineal bug, 70,000 bugs per pound
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Indigo
#4B0082
C₁₆H₁₀N₂O₂
6000 years of denim and rebellion
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Dragon's Blood
#8B0000
Dracaena tree resin, ancient varnish
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Mummy Brown
#704214
Literally made from Egyptian mummies
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Indian Yellow
#E6C200
Mango-fed cow urine, Turner's favorite
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Minium
#FF4D00
Pb₃O₄
Red lead, illuminated manuscripts
🖋️ Fountain Pen Inks
Classic formulations and iron gall chemistry
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Iron Gall Blue-Black
#1A1A40
Fe³⁺ + tannic acid
1400+ years of use, UK birth certificates
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Waterman Blue
#0066CC
Serenity Blue, gold standard safe ink
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Pelikan 4001
#003366
Royal Blue, German reliability since 1838
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R&K Scabiosa
#6A5ACD
Purple-gray iron gall, named for the flower
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R&K Salix
#4682B4
Blue-black iron gall, named for willow
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Diamine Oxblood
#800020
British ink since 1864, excellent shading
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Parker Quink
#00308F
Quick-drying ink since 1931
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Registrar's Ink
#191970
UK archival standard for official documents
☠️ Beautiful & Deadly
Gorgeous colors with murderous histories — arsenic, lead, and mercury
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Scheele's Green
#50C878
CuHAsO₃
Copper arsenite, possibly killed Napoleon
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Paris Green
#00A86B
Cu(C₂H₃O₂)₂·3Cu(AsO₂)₂
May have caused Cézanne's diabetes
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Orpiment
#E6E200
As₂S₃
King's Yellow, arsenic trisulfide
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Realgar
#E97451
As₄S₄
Arsenic sulfide, firework orange
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Chrome Yellow
#FADA5E
PbCrO₄
Van Gogh's sunflowers, school bus yellow
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Naples Yellow
#F0DC82
Pb₃(SbO₄)₂
Lead antimonate, oldest synthetic still used
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Vermilion
#E34234
HgS
Synthetic cinnabar, mercury sulfide
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Lead White
#FFFAF0
(PbCO₃)₂·Pb(OH)₂
Cremnitz white, Vermeer & Rembrandt