b'spectrum scienceWhat is metamerism? top tip left: The LAB colourResenesystem expresses coloursIsland Timein three dimensionsReseneHave you ever noticed when creating a mood board for a clientWhile colours can be converted from LAB to RGB, HEX lightness, redness- Skylighthow two different finishes or materials might appear to matchand CMYK, when they are converted back to LAB, theygreyness and yellowness- Reseneunder one light source but can look quite different when viewedmay result in different values due to the mapping process.bluenessso its bestPauaunder another light? This phenomenon is known as metamerism.understood in the form ofReseneMetamerism is an optical illusion caused by differencesReducing the number of colour conversions between coloura sphere where gradationsEpicin wavelength emissions between various light sources,spaces increases colour accuracyso try to avoid switchingoccur on X,Y and Z axes.such as incandescent versus fluorescent light. For example,between multiple colour spaces in your work whenever possible.incandescent lights transmit a lot of red wavelengths andFinding the best match in the future, either at the same Resene ColorShop or another very few blue wavelengths, which makes it tricky to tellThe digital Resene Colour Library has thousands of online colourone. This is especially helpful for nationwide branding projects or whether the colour youre viewing is black or dark blue.swatches which can be easily searched to find the nearest approximatethose that span the Tasman Sea, as your projects painter can visit Fluorescent light, on the other hand, emits more blueRGB, HEX, CMYK and LAB values to the one youre referencingwhatever Resene ColorShop suits them to access the same colour.wavelengths, so its easier to distinguish between black andFor those looking for a paint colour to match a Pantone (PMS) dark blue. If a certain colour wavelength is not present, itusing Resene Find-A-Colour (www.resene.com/findacolour). Thiscolour, Resene has already colour matched many PMS colours. You cannot be reflectedwhich is why artificial lighting canhandy free tool even allows you to search within a specific colourcan view the ones already matched at www.resene.com/pantone. have a drastic impact on the way we perceive a colour. chart or range to discover similar Resene colours to quickly narrowResene ColorShops have a Pantone fandeck in-store for quick Paint colours, when viewed under different light sources, areyour options down to the best suggestions. reference and can create other Pantone colour matches on request.also affected by metamerism, which is why it is so importantOnceyouhaveyournearestapproximateResenecolourAlthough Pantone colours are created through a subtractive to view real Resene paint colour samples in the space youmatches,itsimperativethatyouviewphysicalsamplesbeforecolour method, the colour space for Pantone and paint are not a plan to use them whenever possible. Resene A4 drawdownmaking your final colour selection. Whenever possible, its best toperfect match. Some Pantone colours are brighter and cleaner swatches can be moved about the room you intend to painttrial your chosen colours in situ using an A4 drawdown paint swatchthan the materials to create paint colours allow. If your Pantone so that you and your client can view it under different lightingor a Resene testpot. These methods allow you to view a larger swathecolour selections are very brightparticularly the ones that have circumstances at different times of the day, both day and night.of colour and see how the hue is affected by the projects specifica neon glow to themyou may need to choose a tonal variation Keep in mind that different surface characteristics, such aslighting circumstances and ensure you and your client are happyfor your paint to ensure best coverage and performance.texture and gloss levels, will also affect colour as these surfaceswith your proposed match. If your project is yet to be constructed,Whenmatchingothertypesofphysicalsamples,suchas reflect light back in different ways. The higher the gloss level onResene strongly recommends viewing a paint swatch of the colour,multi-colouredfabrics,delicateartworkorthree-dimensional a surface and the smoother the surface is, the more reflectiveat the very least, to check the colour suits before finalising yourdcor objects, bring your item to your nearest Resene ColorShop. it is going to bewhich will result in a brighter and cleanerspecification. Resene drawdown paint swatches, paint chips andResene staff can help you in-store or arrange with the Resene colour. A flat white colour on a textured stucco wall will reflectcolour charts are screen-printed with real Resene paint so that youcolour experts in the Resene Colour Lab to create a custom light back in many different directions, and this diffused effectcan be confident that what you see is what youll get. colour match for you. can make the white seem duller or darker. But the same white in a gloss finish applied to a smooth surface can appear brightertop tipbecause more light is reflected directly back at the viewer.top tipsdid you know? ReseneResene ColorShops have colour libraries with A4 drawdownSpecifiers can order free A4 drawdown paint swatches by visiting New Day colour swatches that you can view in-store. This is a quick way towww.resene.com/drawdowns and logging into your account. narrow down your electronic colour choices to those that lookTestpots can be ordered online at shop.resene.com/testpots or visit The average human eye can perceive approximately onebest in the physical world. your local Resene ColorShop.million distinct colours. Those with deficiencies such as colour blindness, certain diseases and age-related degenerationIf you cant find quite the colour youre looking for, keep in mindFind the nearest approximate Resene colour match from a typically are able to perceive fewer colours while artists,that Resene can also create a free custom colour match from adigital image or logo using the free Resene ColourMatch tool, colour specialists and those who work most of the day outsidephysical samplejust bring it into any Resene ColorShop. Thiswww.resene.com/colourmatchonline. To create an entire palette are sometimes able to see a greater number of distinct huescan be named with your chosen colour name and entered in theinspired by an image, upload it to the free online Resene Colour simply because they are exposed to more colours. Resene e-tint system so you can easily get your colour tinted againPalette Generator at www.resene.com/palettegenerator.blackwhitemag.com 63'