If applied to optical wavelengths, this manifests itself as a change in the colour of visible light as the wavelength of the light is increased toward the red part of the light spectrum.

A hat's shape is not the hat itself, nor is its colour, size, softness to the touch, nor anything else about it perceptible to the senses.

This effect can be much deeper, however, causing a vibration of the soul or an " inner resonance "— a spiritual effect in which the colour touches the soul itself.

Red is a warm colour, lively and agitated ; it is forceful, a movement in itself.

The same mountain range lends its name to the alcoholic cordial Chartreuse produced by the monks since the 1740s which itself gives rise to the name of the colour.

In 1793 he explained the mode in which the eye accommodates itself to vision at different distances as depending on change of the curvature of the crystalline lens ; in 1801 he was the first to describe astigmatism ; and in his Lectures he presented the hypothesis, afterwards developed by Hermann von Helmholtz, that colour perception depends on the presence in the retina of three kinds of nerve fibres.

The verdant green colour of the water flowing over the Niagara Falls is a byproduct of the estimated 60 tonnes / minute of dissolved salts and " rock flour " ( very finely ground rock ) generated by the erosive force of the Niagara River itself.

The brighter yellow star ( actually itself a very close binary system ) makes a striking colour contrast with its fainter blue companion star.

This includes the entirety of the soap opera Coronation Street which is now held at the Yorkshire Television archive, which itself possesses largely intact archives ( although some early colour shows from the late 1960s and the early 1970s such as the entire output of the drama Castle Haven, the first two series of Sez Les and the children's variety show Junior Showtime are missing and believed wiped ).

The original choice of battleship grey for the line's colour was based on the naval meaning of the word fleet ; this became a lighter grey, representing the silver colour of the Jubilee itself.

What gives some colour of truth to this hypothesis that we already put forth, is the fact that the French or Franks, before entering Gaul itself, lived for a long time around the river named Luts in the Netherlands.

When asked what Messiaen's main influence had been on composers, George Benjamin said, " I think the sheer [...] colour has been so influential, [...] rather than being a decorative element, showed that colour could be a structural, a fundamental element, [...] the fundamental material of the music itself.

The light colour is usually white and the dark colour may be painted – in which case black is typical – or left unpainted if the road surface itself is dark.

Some flag manufacturers selected the same navy blue colour trend of the Union Flag for the Saltire itself, leading to a variety of shades of blue being depicted on the flag of Scotland.

The word itself comes from the Greek words () meaning " colour ," and () meaning " bearing ".

An individual blue-ringed octopus tends to use its dermal chromatophore cells to camouflage itself until provoked, at which point it quickly changes colour, becoming bright yellow with blue rings or lines.

The analogy given by Dzogchen masters is that one's nature is like a mirror which reflects with complete openness but is not affected by the reflections, or like a crystal ball that takes on the colour of the material on which it is placed without itself being changed.

These additives not only impart a reddish, brown, or green colour, but also modify the taste and flavour of the liquor itself.

If no cover is available in which to conceal itself, a caracal may flatten itself against the ground and remain motionless, allowing its coat colour to act as camouflage.

To prevent loss, many owners attach plastic wheel trims to the wheel itself using an electrical zip tie, which are sold in a silver colour for this very purpose.

The centrifugal – the Ionian, the Asiatic tendency – flying from the centre, throwing itself forth in endless play of imagination, delighting in brightness and colour, in beautiful material, in changeful form everywhere, its restless versatility driving it towards the development of the individual ": and " the centripetal tendency ", drawing towards the centre, " maintaining the Dorian influence of a severe simplification everywhere, in society, in culture ".

The skin colour of amphibians is produced by three layers of pigment cells called chromatophores.

The colour change displayed by many species is initiated by hormones secreted by the pituitary gland.

Unlike bony fish, there is no direct control of the pigment cells by the nervous system, and this results in the colour change taking place more slowly than happens in fish.

It receives its name from its soil ( weathered from the weak underlying limestone ), which is black in colour, almost destitute of sand and loam, and rich in limestone and marl formations, especially adapted to the production of cotton ; hence the region is also called the Cotton Belt.

Their fur is a reddish or dark colour above, with a paler underside.

In Virgil's Aeneid, Aeneas is described as strong and handsome, but his hair colour or complexion are not described.

In Maharashtra, it is called " Shravani Maath " ( literally म ा ठ grown in month of Shravan ) and it is available in both red and white colour.

This moth has been introduced to the eastern United States and is common near many towns ; it is about 12 cm across, with angulated wings, and in colour olive brown, with white markings.

If Acorn had thought to include this small modification in the original Electron design it is likely the machine would have had a much greater impact as it would have nearly doubled the amount of motion possible in games and saved modes 0 – 3 ( including the only 16 colour mode ) from being nearly useless due to contended memory timings.

Its fur changes colour with the seasons: in the winter it is white to blend in with snow, while in the summer it is brown.

The conquests of Ahuitzotl is marked by the colour yellow.

Although colour change in leaves occurs wherever deciduous trees are found, coloured autumn foliage is noted in various regions of the world: most of Anglo-America, Eastern Asia ( including China, Korea, and Japan ), Europe, parts of Australia and New Zealand.

In the poem the prisoner is suffering " for the colour of his hair ", a natural, given attribute which, in a clearly coded reference to homosexuality, is reviled as " nameless and abominable " ( recalling the legal phrase peccatum horribile, inter christianos non nominandum, " the horrible sin, not to be named amongst Christians ").

The Belgian Blue is named after their typically blue-grey mottled hair colour, however its colour can vary from white to black.

The colour of bubbles fired is randomly generated and chosen from the colors of bubbles still left on the screen.

The maibock style is a helles lager brewed to bock strength, therefore still as strong as traditional bock, but lighter in colour and with more hop presence.

It is clear, with colour ranging from dark gold, for the paler version, to dark brown with ruby highlights for darker version.

It is clear, with a colour ranging from deep copper to dark brown in colour, often with ruby highlights.

Flowers are large ( 4 – 9 cm across ), waxy, white to greenish cream in colour and borne on stems of seven to ten depending on the faithfulness of your fertilising, watering, and indirect light provision.

Once obtained by the Regimental Sergeant Major of No. 1 Guard, the colour is borne through the ranks of Nos 2-6 Guards by an Ensign of No. 1 Guard.

Scabiosa plants have many small flowers of soft lavender blue, lilac or creamy white colour borne in a single head on a tall stalk.

The leaves are needle-like, mostly 2. 5 – 5 cm long, occasionally up to 7 cm long, slender ( 1 mm thick ), borne singly on long shoots, and in dense clusters of 20-30 on short shoots ; they vary from bright green to glaucous blue-green in colour.

The flowerheads are borne singly on the scape and are a pale lemon-yellow colour, with the outermost ligules having a reddish underside.