Questions about colors, different color space, RGB or CMYK color model, transparent color, using or changing colors.

learn more… | top users | synonyms (1)

1
vote
2answers
423 views

Colour theory and rainbow palettes

I've been reading about colour theory and want to understand how it relates to rainbow palettes like the attached, also a palette type commonly used by the designer Paul Smith as his signature. How ...
9
votes
3answers
4k views

Do you use colour lasers for proof printing?

I own an EPSON Stylus Photo RX640 printer which prints really good on special paper media, but is rather poor when it comes to normal (>75%) printing on plain papers. Beside that it's also quite ...
9
votes
5answers
12k views

What is 5-colour printing?

When my print rep talks about five-colour printing, what does he mean? I know you have cyan, magenta, yellow and black - but what's the fifth?
5
votes
2answers
23k views

Simple Spot Color Separations for Screen Printing

Ok, I'm an Illustrator noob, but I've worked in screen printing. I made a design which is composed of an expanded Live Trace, a couple of rectangles with fills and strokes, and some text within said ...
5
votes
4answers
1k views

Simplest set of inks that could print the RGB gamut?

Artist Tauba Auberbach produced this recently: It's called RGB Colourspace Atlas, and is a physical, printed book of what it implies is the whole RGB colour space. Is there an existing ...
4
votes
3answers
248 views

Printed Uncoated PMS on Coated Stock

I done my artwork on the uncoated PMS colours as I originally planned to print it on uncoated stock. We ended up changing the stock and there was the forgetfulness of one person to not change the PMS ...
4
votes
2answers
1k views

What is this shifted red and blue effect often seen in VR called? How can I achieve it?

I'm looking for more information regarding a specific type of visual effect that I have been trying to recreate many times in Photoshop, without any success. I would like to learn how to do this from ...
3
votes
1answer
11k views

How can I separate colors by layer in Illustrator?

I did a three-color Live Trace, and output the colors to swatches. Now I'd like to assign each of these three (spot) colors to their own layer. I'm sure this is super easy, and I'm just over-looking ...
7
votes
2answers
309 views

Name of illusion phenomenon of bordering colors

Look at this picture: All the squares are filled with solid color without any gradient, but at the borders between the colors we see as if gradients were used. In the past I tried to create ...
4
votes
2answers
322 views

How to choose a color palette for a website

We're completely color illiterate on our team. Our internal site has a lot of black and white, but I've heard that too much contrast is bad. And people don't respond well to the look of our site. ...
3
votes
2answers
167 views

Should I calibrate my monitor? Any low cost way?

I'm using Apple cinema display model number A1316 27 inches. I think it is from 2010. I'm making User Interface for mobile app and we also plan to make some marketing collateral (some printed ...
3
votes
2answers
17k views

Colors change in Photoshop when copying a selection from one document into a new document

I'm trying to copy a particular layer out of a Photoshop document into its own new document and export it for use on the web. I'm doing this by right-clicking the layer in the layers palette, ...
2
votes
2answers
4k views

Photoshop - adjustment layer to change colors of multiple layers?

I remember I opened a PSD file which did this. It had like 4 hidden "adjustment" layers, each for a specific color, and all the elements that used a certain color were being changed depending on ...
1
vote
1answer
101 views

How To Convert Pantone Tint to similar Pantone Color

I have a file provided to me by a client of their logo which consists of various tints of the same Pantone color (50%, 25% etc) I'm trying to find a way to convert these to actual Pantone colors ...
1
vote
1answer
5k views

How to convert Pantone 7C to TPX?

How do I convert Pantone 7C (Cool Gray) to TPX? Is C a color international standard for print graphics?
1
vote
1answer
5k views

Illustrator > Recolor Artwork: How to manually choose the replacement colours from swatch groups?

Below is Illustrator's "Recolor Artwork" window. I've chosen to recolour (yes, I'm British) using one of my swatch groups. Notice that the first source colour is replaced with the first swatch group ...
1
vote
4answers
503 views

Need help with the Color Combination for the Red

I have come up with a Basic Design for my web app. I want to use the Red color as it helps induce apetite. Well while designing i have managed to get the basic layout and design directions going. But ...
0
votes
1answer
41 views

Photoshop color difference

I am having a very odd problem. I have a photo that I took with my Nikon d5000 uploaded to photoshop, without any adjustments other than a crop, and then when I export it the color changes drastically ...
56
votes
6answers
9k views

Are “web-safe” colors still important?

Years ago, it was always strongly recommended that web designers should only use web-safe colors. Have studies been done to see if this is still the case? If so, what's the answer? Does anyone know ...
23
votes
4answers
7k views

Why is it that this color gradient is so much more attractive than others?

I've been playing around with some gradients on a site I'm developing, and I'm really interested in the psychology or other meaning behind why certain colors appear more attractive than others. ...
25
votes
8answers
155k views

How do I change a single layer to grayscale in Photoshop CS4?

I know you can have the whole image turn grayscale: Image > Mode > Grayscale, but what if I only want to make specific layers grayscale? There's gotta be an easier way than pulling out the ...
26
votes
4answers
22k views

How does one generate a palette similar to the ones in Google's material design?

Google's material design specifications have sets of colour palettes: Starting with a base primary colour, which they designate as "500", they then have a range of incremental steps of shade, ...
26
votes
1answer
101k views

Make image partially transparent in gimp

I want my image to have 60% transparency. How can I do this in gimp?
10
votes
4answers
14k views

What is the relationship between hue, saturation and value?

I see people adding color on top of a gray-scale drawing and their colors look great, but when I do myself, the colors look terrible (dirty, not the color I seem to pick from the color wheel). People ...
7
votes
4answers
6k views

Given a color scheme, how do I apply to website design?

Just so there is something concrete to discuss, say I have this color scheme: http://www.lavishbootstrap.com/?image_url=http://design-seeds.com/palettes/12/SpringTones505.jpg There are many articles ...
7
votes
2answers
7k views

What is the fastest way to copy a colour in Photoshop as HEX?

A lot of designers use Photoshop as a design and mockup tool. And in doing so, one of the last steps can be to get a lot of the colour information out so things like gradients and dynamic text can be ...
6
votes
5answers
1k views

Color Theory: Is there a measurement of “colorfulness”?

I was adding some colors to a Windows application. A column was going to be colored in order to indicate groupings to the user. So in Photoshop i first selected some colors to use. Being ...
12
votes
5answers
4k views

Many successful web startups have blue branding: is this a reflection of something?

Looking at the first page of the most successful Web-based startups of the last 10 years (e.g., Facebook, Instagram, Twitter), we see the extensive usage of the color blue. In terms of the graphic ...
10
votes
2answers
3k views

How to calculate other colors with the same perceived lightness as a given gray value?

This is related to a question I asked on tex.stackexchange, which has a color aspect. The result of that question is the following image: I have drawn a series of gray squares on the left, with a ...
9
votes
1answer
8k views

How can I map the colors in a greyscale image to a specific color “gradient”?

Caveat: I'm not a graphic designer and may be misusing some terminology. Please bear with me. :-) I'm attempting to add color to some greyscale icons (i.e. all three channels are identical). I ...
5
votes
4answers
11k views

When I export an image from Illustrator, why is it a slightly different color in the exported image?

I have a web design layout in AI that I'm trying to slice up into HTML/CSS. I'm having trouble keeping the colors the same in the exported files as they are in Illustrator. When I open it up in ...
4
votes
5answers
404 views

Colors in Website Design

It's not a kind of question but rather it's a kind of thing which effects a lot in web designing. What are some important rules to follow for making a color combination in web design? I always fail ...
3
votes
3answers
636 views

I want to learn how to select appropriate colors and fonts for a new site

I'm developing a new site, and although I know enough basic programming to make the site, I'm not artistically inclined enough to make the site look nice. So, I was hoping I could get some suggestions ...
7
votes
4answers
6k views

Formula for finding out the result of a color after applying x% opacity to it?

I have 2 colors #a1a2a4 black (#000000) white (#ffffff) Now I need to know how much opacity (in a percent) must I apply to the second color (black) against a background of the third color (white) ...
6
votes
1answer
486 views

Never use white?

There was a famous blog post by Ian Taylor called "Never use black", in which he explained that one should never use pure, complete, 0-0-0 black, and should instead put a little bit of color or light ...
5
votes
1answer
12k views

Color Picker in Photoshop is wrong

I'm having problems with my color picker in photoshop CS5 Image 1: I select the black [ish] bar. Color picker returns gray. Image 2: I select the white [ish] background below the black bar, color ...
5
votes
2answers
537 views

Why are certain colors more prone to compression artifacts than others?

I most often see this with compressed video, but I've also seen it often enough with JPEG images. Many times blacks, reds, and other generally dark colors seem to be especially prone to compression ...
4
votes
1answer
854 views

Is there an equation to easily convert a color to its matching color in another hue?

I am trying to design a site with a couple color schemes. I am looking for a way to make color schemes that match mathematically. For example, I know that #FF0000 matches perfectly with #00FF00 and ...
3
votes
4answers
242 views

Am I using too much gray on my webapp?

I'm creating a mobile app that will be used by maturer people, 40 to 60 yo, so I've been searching for sober colors and I came to gray, the problem is, How much gray is too much gray? What colors ...
1
vote
3answers
1k views

How to select a good base color for color scheme?

As a engineer, there are many tools in the web that allow to generate good color scheme based on the selected base colors. But the problem is: How to select the first, base color? Is it just random ...
16
votes
3answers
4k views

What exactly are Google's '500' color swatches?

I've been reading up on Google's Material Design, and as I'm reading up on Style, they keep mentioning primary 500 colors (as well as any other number ranging from 50, which is almost white, to 900), ...
13
votes
7answers
10k views

GIMP - change color of object preserving feathering

I have an .xcf image and I like to change the color of some objects within it. The objects are mostly one solid color with the edges feathered into transparency. I.e. all pixels in the object are ...
12
votes
1answer
6k views

Set the colour of arrows in inkscape

I have added end arrows to some connectors and Bézier curves, but I cannot find how to set their colour, since they appear to be concerned neither by the background settings nor by the outline ones. ...
9
votes
5answers
3k views

Can a 2-color logo be red, black and white?

Can a 2-color logo be red, black and white? I'm thinking that maybe white doesn't count because it's the background color? Does a 1-color logo need to be literally black with a transparent ...
8
votes
4answers
681 views

reasoning behind black and white color scheme of perfume sites

In preparation for an upcoming project, I've been looking over a lot of different sites for high end perfumes and/or high fashion. Noticed that most of them (at least the perfume ones) have almost ...
8
votes
2answers
3k views

Is there a single text color that is acceptable on both dark and light background?

Is there a single text color that, when used on either dark or light background, produces a readable (or at least tolerable) output? If it makes it easier, constraints can be put on the hue, ...
7
votes
1answer
166 views

Is there a metric for “apparent” chroma?

I'm not sure this is the right place to ask, but is anyone aware of a metric for apparent chroma? Now I understand that "chroma" and "chrominance" are very overloaded terms, so to clarify, I ...
6
votes
2answers
36k views

How to change just one color value for multiple objects in Illustrator?

When making and experimenting with color schemes in Illustrator, I usually use a few base hue values (H) and start playing around with saturation (S) and brightness (B). Since I like similar value in ...
5
votes
2answers
568 views

Why do I have to use a gamma of 2.2 when using a JPEG picture?

During the rendering process, the texture file has a gamma of 2.2. But the plain colors do not need this gamma correction, especially if the RGB values are from a spectral characterization. So why do ...
4
votes
2answers
157 views

How do I simulate in Photoshop what a piece will look like when printed on non-white paper?

I'm designing a box in Photoshop that will be offset printed on unbleached paper. I haven't picked out a printer yet, so I don't know the exact kind of paper I'll be using and don't have access to it ...