Best Opaque

Dr. Ph. Martin’s Bleed Proof White is a specialized white watercolor ink formulated for calligraphy and lettering work. Its exceptional opacity allows it to fully cover dark paper stock, preventing bleed-through when used with other inks or watercolors. This makes it ideal for artists and calligraph...

The Zebra Sarasa Clip Milky is a gel pen from Japanese stationery manufacturer Zebra's Sarasa Clip line. It features a 0.5mm tip and opaque, pastel-toned gel ink formulated to show up clearly on darker paper stocks. The pen includes a retractable mechanism and a rigid clip for attaching to notebooks...

An iridescent organic gemstone derived from fossilized Cretaceous ammonite shells, mined primarily in Alberta, Canada, and officially recognized as a gemstone in 1981.

The Pilot Juice Paint Gel Ink Pen is a writing instrument that utilizes a highly opaque, pigment-based gel ink formulated to stand out on both light and dark paper. It produces a thick, consistent line that mimics the coverage of acrylic paint while maintaining the smooth flow of a standard gel pen....

The Pentel Hybrid Mattehop is a capped gel pen whose opaque pigment ink dries with a soft, matte-looking finish. Its colors are intended to remain visible on white, colored, and dark paper, making the pen suitable for illustration, lettering, journaling, and decorative accents rather than only ordin...

Uni-ball Signo Angelic Colour gel pens are decorative writing pens in Mitsubishi Pencil's Signo range. They use pale, milky gel inks intended to remain visible on dark or colored paper, with shades commonly suited to cards, journals, illustrations, and craft projects rather than routine document wri...

The Pentel Milky Pop Pastel Gel Pen is a writing instrument produced by Pentel Co. Ltd., a Japanese stationery manufacturer. The pen features water-based gel ink in soft pastel shades that appear with a translucent, milky quality when applied to paper. The pen uses a 0.7mm tip, making it suitable fo...

The Zebra Sarasa Milk Gel Pen is a Japanese writing instrument manufactured by Zebra that features a specialized opaque, pastel-colored gel ink. The "milk" designation refers to the pigment formulation, which creates a matte, solid color line that writes distinctly on both light and dark paper surfa...

Winsor & Newton White Calligraphy Ink is an opaque, pigmented ink by Winsor & Newton designed for writing on dark or colored surfaces, providing strong opacity for use in illumination and decorative scripts.

The Pentel Solar Pop Neon Gel Pen is a writing instrument produced by Pentel that utilizes an energetic gel ink formula. It is designed to lay down opaque, brightly colored neon ink that stands out clearly on both light and dark paper surfaces. The pen features a fine bullet tip that provides smooth...

Barnard 86, commonly called the Ink Spot Nebula, is a compact dark nebula in the constellation Sagittarius. Dense interstellar dust blocks the light of background stars, creating a sharply defined dark silhouette against one of the Milky Way's crowded stellar fields. It lies beside the open cluster...

Turquoise is an opaque, blue-to-green mineral that has been fashioned into jewelry for millennia, notably mined and traded by Native American tribes in the Southwestern United States.

Sugilite is a rare pink to purple cyclosilicate mineral first discovered in 1944 by Ken-ichi Sugi in Japan, and highly valued in the Kalahari Manganese Field.

Lapis lazuli is a deep-blue metamorphic rock prized for millennia, notably mined in the Sar-e-Sang deposits of Afghanistan and historically ground into the pigment ultramarine.

A rare nickel magnesium iron carbonate mineral first described from the Gaspé Peninsula, Quebec, Canada, valued for its distinctive apple-green color.

Black diamonds, known as carbonados, are a distinct, dark polycrystalline diamond variant primarily mined in Brazil and the Central African Republic.

Shattuckite is a rare copper silicate hydroxide mineral notable for its vibrant blue color, discovered in 1915 and named after the Shattuck mine in Arizona.

Manganese iron phosphate mineral with a distinctive purple to dark red color, found in oxidized pegmatites in Namibia, Australia, and Portugal.

Azurite is a deep-blue copper carbonate mineral historically ground into a pigment used in Renaissance paintings, and naturally occurring in the copper-rich regions of France and Australia.

Malachite is a green copper carbonate hydroxide mineral, historically mined in the Ural Mountains of Russia to create ornate decorative columns and objets d'art for the Russian Tsars.

A magnesium carbonate mineral (MgCO₃) frequently dyed to simulate turquoise in jewelry; major commercial deposits are found in China, Austria, and Brazil.

Hemimorphite is a zinc silicate mineral known for its distinct hemimorphic crystal formation, officially named in 1853 and found in Belgium and Mexico.

Rhodonite is a pink manganese inosilicate mineral often found with black manganese oxide veins, historically carved into ornamental urns and columns by the Russian aristocracy.

Dumortierite is a fibrous aluminum borosilicate mineral first described in 1881 from specimens found in France, prized for its deep blue color.

Amazonite is a green variety of microcline feldspar, famously utilized in ancient Egyptian art like the scarab beetle found in the tomb of Pharaoh Tutankhamun, and mined in Colorado.

Chrysocolla is a hydrated copper silicate mineral known for its vivid blue-green colors, commonly found in the oxidized zones of major copper deposits in the Democratic Republic of the Congo.

Sodalite is a rich blue chloride-containing tectosilicate mineral, first discovered in Greenland in 1811, and historically prized by ancient civilizations like the Maya for ornamental carvings.