How to Adjust Select Colors in an Image?

[artgal]

On the attached image, I'm trying to change the green lines in the plaid pattern to more of a teal color. How do I go about doing that without changing other colors?
TIA

[Jean-Luc]

The task will be difficult or impossible because part of the green lines is not pure green. It is mixed with Yellow.

Try with the Hue Map tool:

Use also the Hue/Saturation/Lightness tool:

PS : what do you mean by "teal" color?

[LeviFiction]

It's not perfect but I did this with the color changer tool. Had to play with the tolerance, putting it a bit higher, as well as clicking around in different locations on the green stripes to get a decent result. But for the most part this is a single click solution. Then after you click, you change the tolerance and edge softness until you get a look you like. If you don't like any of them, just undo the change and click another spot and adjusting the tolerance.

testcolorchanger.jpg (67.01 KiB) Viewed 1069 times

[artgal]

LeviFunction - Thank you! That seems to work also, but as you say, it takes considerable tweaking. Then, it occurred to me, since there wasn't a lot of plaid stripes to select, I tried yet another method (not perfect either): I selected all the horiz and vert stripes with Shift + the rectangular selection tool, created a new layer from the selection, filled it with a teal color and finally messed around with the transparency. Due to the nature of the image, it doesn't seem there's any fast & easy solution but there are ways.

Jean-Luc - I had some success with your method also. Thank you for the screen shots ..and to answer your question about teal, if you know what turquoise is, teal is just a bit to the green side of turquoise (as opposed to the the blue side) so somewhere between green and turquoise is teal.

Thanks to both of you. Very Much appreciated.

[Jean-Luc]

to answer your question about teal, if you know what turquoise is, teal is just a bit to the green side of turquoise (as opposed to the the blue side) so somewhere between green and turquoise is teal. :

Thank you for your explanation!
I have learned a new word.

[Ken Berry]

"Teal" is also the word for a type of bird in English, and I guess the colour "teal" derives from one of the colours on the bird's head. In French the bird is called "sarcelle" but I don't know if this is also used for the colour teal in French...

EDIT: I've subsequently confirmed that "sarcelle" is indeed a colour in French, as well as being a bird!

[migf1]

It's not a perfect method either, but you can also try Selections -> Modify -> Color Range: https://prnt.sc/ulkbj2

Once again, you'll probably have to also fine tune the selection after that, before changing the color. In this example I promoted the selection to a new layer, changed the color with Fill (None), and decreased the opacity of the new layer: http://prntscr.com/ulkdts