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Blackish Purple

HEX#291E29 RGB41, 30, 41 HSL300°, 15%, 14% FamilyPurple ISCC-NBS#230

Comet against a sky full of stars, its small greenish head trailing a broad white fanned tail and a thinner, fainter blue tail, with a short satellite streak in a lower corner. — C/2020 F3 (NEOWISE) – a memorable moment S. Mubashshir Ali

Aerial view of dark volcanic hills and craters with scattered snow patches, one crater rim reddish, stretching to blue distant mountains. — Mt. Raudfossafjoll, Iceland Ragnar Sigurdsson (arctic-images.com)

Dark cave chamber where a lit column of banded orange flowstone and white stalactites glow in the centre, watched by the silhouettes of several people wearing helmets. — A dazzling display of speleothems Ali Raza

Tall tree-shaped steel tower seen from below at night, its trunk covered in plants and its wide umbrella-like crown lit in purple and white, with a curved lit walkway behind it. — Supertrees Singapore: Technology mimicking nature Stephanie Thiesen

Several lightning bolts at night: a bright blue-violet bolt descending from the top and others flashing beneath a dark cloud base, above a line of distant town lights. — Lightning Lefteris Aggelopoulos

Bright violet lightning bolt with branching forks spreading sideways across a dark night sky, striking down towards a black silhouetted treeline. — Siberian Thunderstorm Mikhail Arshinov

Underwater view of black smoker chimneys crowded with yellow mussels, white shrimps and pale bacterial mats, dark fluid billowing from the top. — Black Smoker 2 MARUM - Center for Marine Environmental Sciences

Studying shell morphodynamics to improve climate models Jennifer Guarini

Milky Way rising as a pale band of glowing dust and dark lanes through a dark blue starry night sky above a black line of treetops, with a MAPRO watermark in the corner. — Milkyway from Cyprus Maria Prodromou

Laboratory experiment in a dark chamber: a large reddish sphere at the upper left and a small dark sphere at the lower right, wrapped in a violet plasma glow with a bright ring around the top of the small sphere. — Aurora borealis in a jar Gabriel Voitcu

Lightning bolt striking down from a purple glowing thundercloud at night onto a dark skyline of buildings with a few lit windows. — Lightning strikes in NYC during the big storm of 2009 Bastiaan van Diedenhoven

Laboratory experiment in a dark chamber: a large orange metal sphere on the left and a small sphere on the right, both on posts, linked by a glowing violet plasma cloud that curves around the small sphere. — Space plasma in a jar Gabriel Voitcu

Laboratory experiment in a dark chamber: a large reddish sphere with a dark patch at the top, and a small sphere on the right ringed with glowing light at both ends, inside a violet plasma haze. — Polar lights in a jar Gabriel Voitcu

Underwater view of a rugged chimney of grey and orange rock rising from a rubbly sea floor, thick black clouds billowing from its branching top. — Black Smoker 1 MARUM - Center for Marine Environmental Sciences

False-colour satellite image of a snow-covered volcanic island in dark sea, a glowing red spot inside the summit crater, with small icebergs scattered around the coast. — Christmas at the lava lake András Zlinszky

Silhouetted rock pinnacles at twilight, one tall column wider at the top than its base, standing on a rugged rocky ridge with shrubs against a purple and pink sky. — Roques de García Raphaël Périllat

Yellow dome tent weighed down with stones on dark gravelly ground at dawn, under a pink and purple sky, with a dark mountain ridge on the left and a calm bay and hills on the horizon. — Antarctic field camp Carsten W. Mueller

Bright green laser beam shooting straight up into a starry night sky from a white observatory dome, beside a taller domed tower with a ladder, a mast and a rocky slope. — Aerosole lidar at Zugspitze, Germany Stephan Sprinz

Large white sun partly hidden by a band of dark clouds in a deep red and orange sky over a calm sea, with the silhouette of a ship on the water below. — Serenity at The Pier: A Dutch Sunset Mohamed Nedal

City waterfront silhouetted at dusk, with bell towers and domes lit along a calm lagoon, an orange glow on the horizon and a bright light reflected in the water. — Sunset in the floating city, Venice Hung Vuong Pham

Fiery orange sunrise over a sea of clouds seen from high up, with the dark silhouette of a distant volcanic peak rising above them. — Iztacihuatl Sunrise Cinthya Nava Fernandez

Ruined stone building with crumbling walls, empty windows and a broken round tower on a grassy hilltop at night, under a sky full of stars with an orange glow on the left horizon. — Ex Semaphore Light-tail Giovanni Corona

Steeply tilted rock layers alternating dark brown and pale grey, their eroded edges forming jagged saw-toothed ridges like stylised mountains against a pale blue sky. — Stylized “mountains” of the Basque Coast Maela Baldan

Branching lightning bolts across a purple night sky, beside the silhouette of a rooftop with a mast of television aerials. — Thunderstorm in Mainz Dirk Dienhart

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