Color (American English) or colour (Commonwealth English) is the visual perceptual property corresponding in humans to the categories called blue, green, red, etc. Color derives from the spectrum of light (distribution of light power versus wavelength) interacting in the eye with the spectral sensitivities of the light receptors. Color categories and physical specifications of color are also associated with objects or materials based on their physical properties such as light absorption, reflection, or emission spectra. By defining a color space colors can be identified numerically by their coordinates.
Because perception of color stems from the varying spectral sensitivity of different types of cone cells in the retina to different parts of the spectrum, colors may be defined and quantified by the degree to which they stimulate these cells. These physical or physiological quantifications of color, however, do not fully explain the psychophysical perception of color appearance.
The science of color is sometimes called chromatics, colorimetry, or simply color science. It includes the perception of color by the human eye and brain, the origin of color in materials, color theory in art, and the physics of electromagnetic radiation in the visible range (that is, what is commonly referred to simply as light).

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  1. P

    Hi All - Silicone colour choice advice.

    Hello All, bit of lurker DIY tiler. Done a few floors and walls in the past mostly in bathrooms. Touch wood all been successful! Just doing a bathroom and have used white tiles with black grout. For the vertical corner (stud wall to solid) I'm pondering whether to use black or white silicone...
  2. M

    Grout colour difference

    Hi - any advice would be gratefully received. The colour of the grout in my bathroom varies from light to dark grey. I used Elise Pink Hexagon Wall and Fall Tiles from Victoria Plumbing, and Mapei flexible wall and flour grout in Grey. My bathroom fitter installed the tiles. At first I...
  3. ambient

    Your Silicone Colour Opinions Please

    Hi, I need to silcone a few places in my recently refitted downstairs loo but I'm unsure what colours to use and where because of the dark tiles and grout. Photos available here... New item by Oliver Pearmain - New item by Oliver Pearmain -...
  4. BulkWorkwear

    Colour Logo Printed Hoodies Deal

    Happy New Year All! 2022 New High Vis Workwear Hoodie Deals Have your logo printed in full colour on our brushed fleece hoodies & stand out from the crowd this year!
  5. M

    limestone colour advice

    Hello We had limestone tiles installed and,at the time, the tiler said he had run out but not to worry he had some spare in his van. The two tiles he put in are noticeably different (darker) than the rest. Last week we had a damp mat on the tiles next to it and when we moved the mat the tiles...
  6. 1

    What order - Tile Colour Intensifier / Protector?

    I'm not having much luck in getting a straight answer out of Topps Tiles so wonder if someone on here could once and for all give definitive answer in what order tiles should be treated.. Bathroom wall tiles, unpolished travertine white mosaic from Topps tiles. Originally told to grout, then...
  7. Chris_32

    Grout Kerakoll fugabella colour. Anyone have experience with long term performance?

    Does anyone have experience of this grout in the long term? I have used it a couple of times and for usability it is very good. Just wondering how close the stain resistance of this is compared to actual epoxy? I Have a customer who wants epoxy to prevent discolouring in the long term but I may...
  8. N

    Help - I have had my bathroom tiled and the grout colour is inconsistent how do I fix this problem?

    What's your tiling question? Pictures can be added.
  9. J

    Equivalent colour to ardex dove grey

    Hi, hope this is in the right place as I’m not a regular user of forums. I run a mastic company in the south east. I need to find a match for ardex dove grey. I know ardex provide their own sealant but it’s 3x the price of the products I normally get from my supplier have already had to reduce...
  10. Sean-tries-to-tile

    Silicone colour match for mapei charcoal grout?

    I'm surprised to find that i mapei dont seem to do a charcoal silicone (for interior corners) to match their charcoal grout... anyone know of a good colour match? Should i stick with mapei silicone and chose the next best colour, or chose another brand that does charcoal which will still be a...
  11. D

    hi there just finished an outside wall in split slate.any recommendations on a good colour enhancer and sealer in a matt finish.

    hi there just finished an outside wall in split slate.any recommendations on a good colour enhancer and sealer in a matt finish.
  12. M

    Intensify grout colour for Porcelain tile patio

    I used Nexus Projoint Mid Grey Porcelain grout on our patio and it hasn't come out quite as dark as I would like. I should have gone for the darker grey, the mid grey looked great initially but its almost exactly the same colour as the tiles now that it's cured. It looks great when it's wet...
  13. D

    Wanted Sichenia lapado pietra tiles colour sabbia 60x60

    desperate for about 10 of them please.
  14. A

    Grout Colour Problem: mapei ultracolour grout manhattan grey

    Had our patio guys grout our porcelain patio yesterday and have to say to say feel quite unhappy with the result. The colour is really uneven and looks like a coating of white on some grey areas. The consistency of colour just doesn't look right. I've called them back to come take a look. Has...
  15. K

    I'm Looking For This Tile Eliane Wall Tile 25x30cm in Beige colour

    I am trying to search for a box of Eliane wall tiles, 25 cm x 33 cm, see picture of a cut tile attached. I cant find any other info relating to the batch or range on the tile Can anyone advise where I can get a box?
  16. R

    Adhesive Colour bleeding from biscuit base - does it happen???

    HI We have just completed 22 sq m of brilliant white ceramic tiles over marmox boards with Ardex X77W adhesive in a bathroom. The adhesive was well dry before we started grouting (several weeks). Started grouting with BAL Micromax 2 in white; we used 3mm spacers for the joints. In several large...
  17. D

    Wrong grout colour used - options?

    Just that really. Builder bought wrong colour grout, and tiler has used it. 1 room out of 2 done and it looks crap. What can be done? I'm looking at grout dyes, but not sure how good the finish will be in terms of evenness / staining etc. and that is assuming a decent colour match can be...
  18. N

    Looking for tiles - 'Luna' matt black / graphite colour floor tiles 297 x 597mm

    Need about 8 'Luna' matt black / graphite colour floor tiles 297 x 597mm. Bought from Homebase in 2012. Manufacturer is MML in Malaysia. Anyone?
  19. J

    Natural Stone Limestone tiles colour change

    Hi, I have recently had Jerusalem Light Limestone tiles installed over a brand new wet underfloor heating system laid on the original floor (concrete over 10 years old). A decoupling mat was put down first. The appearance has significantly changed during the process of laying including severe...
  20. D

    I'm Looking For This Tile I am searching for tiles

    Can some one help to let me know how and whs in attachment. As you can see from attachment, the tiles come in black and white.
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