How to Correct Jewerly Diamond Color
d Correct jewelry diamond color is the most important thing to jewelry photo editing. because diamond’s value is often affected by color . Colorless diamond rates are higher than the diamond with yellow or brown color.
One of the 4Cs, diamond color measures the amount of body color (tint) in a diamond on a scale from colorless to yellow/brown or gray. Diamond’s value is often affected by color and colorless diamond rates are higher on than that is light yellow or brown.
Sometimes there are yellow-brown color cast in the diamond that caused by light conditions, wrong white balance setting and mix different light source bulb colors.
Such as the diamond necklace here we will retouch. There are a yellow-green color cast over the entire diamond. This problem makes jewelry cheaper.
Professional jewelry retoucher always will correct the color cast and restore the diamond original color. This tutorial is to show you how to correct the yellow-brown color cast in the diamond
Tips of correct jewelry diamond color
1. Recommend use Curve tool to correct the color, Curve tool can provide more exact adjustment than other tools.
The Curves tool is the most sophisticated tool for changing the color tone, brightness, contrast or transparency of the active layer or a selection. While the Levels tool allows you to work on Shadows and Highlights, the Curves tool allows you to work on any tonal range. It works on RGB or CMYK images.
Recommend Use pen tool to make a selection. Jewellery retoucher always use pen tool to exactly define the outline of the area that want to retouch.
The Pen tool is a simple selection feature that enables you to fill, stroke or make selections from whatever you draw. It’s one of the core tools you need to master before you start exploring more advanced features or getting into Photoshop plugins.
Before you retouch the color cast, you should learn about basic color theory, as below example shows, Blue is the opposite color of yellow. Red is the opposite color of cyan, so if you hope to decrease yellow color, you have to increase blue color.
Color theory is the collection of rules and guidelines which designers use to communicate with users through appealing color schemes in visual interfaces. To pick the best colors every time, designers use a color wheel and refer to extensive collected knowledge about human optical ability, psychology, culture and more.
Step 1: Change background
Use the pen tool to define the outline of the whole necklace, then convert the path to selection, Then inverse the selection, Fill into the background a white or other color you want.
It is vital to mention that the metal and diamond of the jewelry need to have their own paths and layers as each element will need to be edited separately。The settings that apply to ‘metals’ layers cannot be applied to a ‘side-stone’ or a ‘main-stone’ layer.
Step 2: Add an adjustment layer for the diamond
Use the pen tool to define the diamond, Convert the path to selection, Go to the Layers panel, click the Create adjustment layer icon, and choose Levels. This adds a Curve adjustment layer with mask that you can make adjustments without changing others in the photo.
Why use Photoshop Adjustment Layers? Because Photoshop adjustment layers are a great group of tools that allow you to smartly edit your image in a non-destructive way. Your original pixels are preserved, so you are able to come back and change your edits years later. Thus, they give you the power to undo easier and work more efficiently.
Step 3: Adjust the brightness and contrast
Select the RGB panel of Curve tool, Place one curve point on the highlight tone and another on the dark tone, Drag the highlight tone point to left to increase brightness, Lock the dark tone point to keep the shadow areas stay to increase contrast
Curves tool is the best tool to adjust brightness and contrast, In the Curves adjustment, you adjust points throughout an image’s tonal range. As you add control points to the line and move them, the shape of the curve changes, reflecting your image adjustments. The steeper sections of the curve represent areas of higher contrast while flatter sections represent areas of lower contrast.
Step 4: Adjust color cast by Curve tool
Select the blue panel of Curve tool, Place one curve point on the mid-tone and drag it to left to increase blue color, then select the red panel, Place one curve point on the mid-tone and drag it to light a little to decrease blue color.
By default, the Curve is shown in RGB mode. To edit individual color channels, choose them under Channel. For example the Red channel. When you add one node in the middle of the curve and raise it, you’re increasing the value of the red channel for every pixel in the picture.
Step 5 : Further adjust color cast by Hue/saturation tool
Now the most of yellow-brown color cast is removed, but there is a little color cast in the diamond. To remove it, We create a Hue/saturation adjustment layer, Go to the channel menu, select the yellow channel, Drag the saturation to left to remove the rest yellow color.
The Hue/Saturation command in Photoshop Elements enables you to adjust the colors in your image based on their hue, saturation, and lightness. Hue is the color in your image. Saturation is the intensity, or richness, of that color. And lightness controls the brightness value.
Jewelry retoucher will use complementary colors to adjusted diamond tone. Colors from opposite positions on the color wheel are considered to be complementary. Red and green, yellow and violet and blue and yellow-orange are complementary colors.
After above 5 steps, You can easy Restore the diamond color to correct.
Adjusted diamond color in it’s best way is the main goal of jewelry retouching. Professional editor moves step by step to this point dealing with a lot of challenges, applying photo editing techniques.
A couple of effective tools when it comes to diamond and gemstone color adjusting include:
Brightness and contrast
This will allow you to tweak the brightness of the stone, contrast will bring out the color you need.
This will allow you to bring out the shadows and highlights of the stone.
Hue and Saturation
Pick and choose the colors that you want to take out/ keep.
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Jewelry retouching is hard and time-consuming work. DIY is good, But if you want to saves you time so you can focus on other aspects of your business operation. You can try Zenone jewelry retouching service and get free trial.
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