Diamonds are graded on a colour scale established some 70 years ago by the GIA (Gemmological Institute of America). The scale ranges from D (rare white) to Z (yellow). For more information, please visit our diamond education page.
The depth of colour is an extremely important indicator of quality and condition. Darker colours in whites usually indicate older wines, while red wines tend to lighten and tawny with age.
Grading colour in the normal range involves deciding how closely a stone's body colour approaches colourlessness. Some diamonds have at least a trace of yellow or brown body colour. With the important exception of some fancy colours, such as blue, pink, purple, or red.
an object representing a combination of Red, Green, and Blue (RGB) intensity values
The visual response to the wavelengths of light, identified as red, green, blue, etc.
The introduction of greater colour variety to textiles and fabrics in the post-war years was linked directly to new technology that enabled textile companies to dye a wider range of materials, both natural and synthetic. Contemporary designers utilised this ability to the full, often selecting a neutral colour, black, white or grey, and three or four sharp colours to contrast with an abstract or organic form.
Indicator of the quality and age of a wine. Some wines get darker as they age.
The colour provides good indication of quality of wine and condition
In wine, an extremely important indicator of quality and condition. Darker colours in whites usually indicate older wines, while red wines tend to turn a tawny, brick red colour with age.
Colour of liquor, which varies from country to country and district to district. Colourey is used to denote a strong orange red colour as of a good Kenya or Assam.
composite image A colour image prepared by combining individual band images. Each band (up to a maximum of 3) is assigned one of the three additive primary colours: blue, green and red.
The colour of the suit in question. Clubs and Spades are black. Diamonds and Hearts are red. Black is the opposite of red and vice versa.
One of the 4 Cs. Colour describes the trace amounts of yellow found in diamonds that appear white. Diamonds with the most value fall in the colourless range.
One of the four value factors of a diamond. Colour range involves determining how close the stone is too colourless. Diamond colour is ranked from D (colourless) to Z (brown). Coloured diamonds (blue, pink,. green, etc) are ranked on a different scale.
In gemmology, colour is of prime importance. With diamonds we do not actually talks of colours, but nuances invisible to the naked eye. With coloured gemstones the meaning of the term is even more subtle, for in many cases it indicates the provenance of the stone.
Diamonds are graded on a color scale established by the Gemological Institute of America (GIA). The scale ranges from D (colorless) to Z. Fancy colors refer to diamonds with hues like pink, blue, green, yellow and very rarely red. Fancy colors are not included in this color scale and are considered extremely rare.
Nowadays, diamonds are graded on an international grading system established some 70 years ago by the GIA (Gemological Institute of America). The scale ranges from D (rare white) to Z (yellow). Fore more informaton on this, visit our Buying Diamond Jewellery page.
As a wine ages, its color will change; red wines will fade toward brick orange and/or pink, and white wines become golden.
horse's coat colour, which can be grey, black, bay, brown, or chestnut.
the degree of whiteness of the cotton fibre.
the normal colour of seawater can be defined as 'sui generis', with variations from green to deep blue, and also depends on the configuration of the seabed and the sky. The colour of seawater is determined either visually or photometrically, according to Pt/Co scale standards. The colour is usually subject to changes caused by algal bloom (diatoms, dinoflagellata, etc.).
Diamonds are graded on a colour scale which was established by the Gemmological Institute of America (GIA). This scale ranges from colourless, 'D' to tinted yellow, 'Z'. The more colourless a diamond, the greater its sparkle. Click here to learn more about the colour of a diamond.
Refers to use of paper other than white and ink other than black. Computer monitors use the RGB colour space and most printers use CYMK. Most colour problems stem from either poor translation between these colour models, limitations in one of the colour models (out of gamut colours), or poor colour separation. Also common is spot colour, in which black ink is supplemented with an additional colour. One way of ensuring that colour fidelity is maintained across the design and printing process is to use a standardised set of colours, usually from the Pantone Matching System.
one of the two colours of the cards, red or black. Hearts and Diamonds are red, Clubs and Spades are black.
1) The subjective appearance of the printed ink. Note that this definition embraces all colours and black and white. 2) Synonym for ink.