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Photo.Keely | profile | all galleries >> Projects >> Blue tree view | thumbnails | slideshow

Blue

Blue is a colour, the perception of which is evoked by light having a spectrum dominated by energy with a wavelength of roughly 440–490 nm. It is considered one of the additive primary colours. On the HSV Colour Wheel, the complement of blue is yellow; that is, a colour corresponding to an equal mixture of red and green light. On a colour wheel based on traditional colour theory (RYB) where blue was considered a primary colour, its complementary colour is considered to be orange (based on the Munsell colour wheel). In Modern English, "blue" is one of the basic colour terms, and one of the seven spectral colours, intermediate between violet (purple) and cyan. It comprises a considerable number of identifiable subcategories that can be identified with descriptive terms like navy blue (a dark blue), cyan blue (or "blue-green", on the boundary to the green range), or sky blue (azure). The word itself was loaned into Middle English from the Old French word bleu, blo " "pale, pallid, discoloured; blue, blue-grey", itself from an Old Frankish *blao.
Reference: Wikipedia.

Sanlúcar de Guadiana Student Village Bunratty Castle, Co. Clare Dunguaire Castle Killaloe Abbey
Augustinian Friary Ennis Abbey City Lights Moonlit Clarion Millennium Bridge
Little Angel Jonkoping Bridge Cool Blue St. Finbarr's Cathedral Madre de las Marismas
Stockholm Harbour Lycabettus Hill St. Finbarr's Cathedral Blue City at Night Blarney Woolen Mills
Coconut Tree City Hall Grainneuaile's Castle Catedral de Santiago de Compostela Frozen Lake
USS Monterey, CG-61 Cool Blue Tomales Bay Tallest Christmas Tree 4 Freezing Fog
Christmas Tree Thomond Student Village Shannon River Doolin Harbour Doughmore Dusk
Atlantic Rain Storm Carnaby Street Sarsfield Bridge Winter Evening 2 Rising Tide lifts all Boats
Doughmore Beach Peru Rail Peek-a-Boo Llama Ladies Sarsfield Bridge
Atlantic Waves Doughmore Beach - after Sunset Blue Water Rain Storm Rain Storm
Winter Evening Flotsam or Jetsam? Blue Umbrella Doughmore Beach - Sunset Mike & Linda's House
Shipping Lane Burren Reflections 3 Beach-Chairs for Rent Wood Carving Celebrating Victory
Horseman, pass by! Sarsfield Bridge Thomond Bridge & King John's Castle Falling Tide - Curragower Falls Cloth Seller
Blue Hour The Guesthouse Just Checking Ocean Spray Audience with the Chief
Tower Bridge at Night Old Pier Pre-Dawn Blue-Hour Jurassic Coast - Ballard Downs Tower Bridge 4
Blue Footed Booby Mutton Island Atlantic Coast Mutton Island 2 Doolin Harbour 2
Atlantic Storm Spanish Point Evening Light Crepuscular - Lough Derg Tuff Cone
Atlantic Storm Atlantic Storm High-Tide Coaching Atlantic Storm Lough Derg
Limerick Skyline Storm Approaching Limerick Skyline 3 Reflections at Dusk Ballydonegan Bay
T'was a dark and stormy night ... Atlantic Coast Ballydonegan Bay Copper Coast Blue Hour Dreaming
Ink Blot Evening Easter Waves Cuban Taxi Chevrolet Buick Taxi
Son et Lumiere Dreamtime Dreamtime 2 I'm late, I'm late! Penguin Rock
Blue Icebergs Blow-Hole Geyser Pool Cuban Flag Waterville
Blue Icebergs Back-Packer Lilac Breasted Roller (Coracias caudatus) Blue Hour Shannon River in Flood
Vatnajökull – Glacier of Rivers Blue Icebergs New Holland Tractor Blue Icebergs Whalewatching
Vatnajökull – Glacier of Rivers Fordson Major Blue Restaurant Blue Lagoon Blue Icebergs
Blue Lagoon Bluebells Causeway Bluebells Blue Icebergs
Blue Pool Bank Worker Maritime Medley Katwe Crater - Salt Lake
Blue Hour Burren Bush Blue Reflections Winter Sunset Reed Reflections
Blue Hour Burren Reflections Black-winged stilt (Himantopus himantopus) Wet Rocks Burren Reflections
Atlantic Waves Village Effort! Fly-by Windmill Waterpump Kayak Surfer
Summer Evening by the Sea Close Shave Horizon on Fire Harvest Moon Spanish Point Sunset
Spanish Point Sunset 2 Sun-rays Burning Through Last Beach Party Crab Island Sunset Crab Island Sunset
Blue Boats Jameo Grande Blue Hour Weak Winter Sun Cliff-face Cormorant
Winter Dusk Lot's Wife Roaring Water Bay Atlantic Waves Storm Imogen hits Doolin Pier
Storm Imogen hits Doolin Pier Crab Island Sunset Lough Derg Sunset Hungry Hill Winter Sunset
Wild Atlantic - Winter Weather Bluebell Woods Highland Cow Matchstick Man and his Dog - LS Lowry  Aira Force Waterfall
Blankets Sunset Provence Blue Lamp Light - Blue Hour Wave Runner Ngorongoro Crater Rim
Aileen’s Wave Aileen’s Wave 2 Fun at the Beach Mr. Tse Trump Castle
Fly Fishing - Summer Evening Emerald Sea 'Tana' Skyline at Dawn Emerald Sea Blue-nosed Chameleon (Calumma boettgeri)
Highlands Thumbs Up Emerald Sea A Room with a View Mudflat Migrations
Raising the Sail Banana Mobile Emerald Sea - Fisherman Falcon Cement Blue-nosed Chameleon (Calumma boettgeri)
Iolar + Escorts Pochard Flock under Threat Ballydonegan Bay Greylag Geese Flock