B99
#102040

Agate

Copic Blue cool

Copic B99 Agate is a near-black blue alcohol marker in the Blue family. It sits in the deepest shadow range, making it well-suited for night sky, deep water, dark denim. Cool undertones make it well-suited to shadows, skies, and atmospheric depth.

Night skyDeep waterDark denimDeep seaDark cool shadows

Marker Facts

Marker Name
Agate
Color Family
Blue
Temperature
Cool
Lightness
16%
Saturation
60%
Palettes Using This Marker
0

Suggested Blend Ladder

Blue family — layer from shadow to highlight for smooth gradients.

Works Well With

Complementary Accent

Opposite on the color wheel. Useful for contrast, focal points, and making warm colors stand out.

Match B99 across brands

Find the closest match to Agate in Copic, Prismacolor, Posca and more with Color Bridge — or see the palettes that use it.

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