Adding photos of the two color formulas for comparison

Paint the color you love, the one YOU mixed, on a board -

Take it to a Ben Moore store/Ace Hardware and ask for the best mixer in the store and have it matched it in your preferred sheen.

You may need an hour, test boards, and you need to see it dried, next to your original. It may take a few tries and the formula may look like the library of congress, but you can match to anything.

I could match a single petal on a flower in a Ben Moore and I would not even waste the time trying at a Sherwin Williams "point and shoot". ......by someone who probably has been mixing paint for a month.

You haven't even stated what the top/bottom color was, what you want......

You will not get help here, since nobody is a visionary: )

I found a SW color I love, but it's too dark for the room

What color? Name & number.

This is tansy green...

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Your problem may not be the paint color but the surroundings. Keep in mind lighting throughout a day can change and that can make a paint color look different. If you are going to design your paint color you need to test it in all light levels. Really study it. Since you are in a hurry my suggestion is to find a paint that has been used by many and tested often or hire a designer.

If you really love the color you designed get more paint in that color. BUT..... I have personally found that SW can never match the way I like it. I am not sure why. Maybe it's the clerk, maybe it's the paint. If I find a shade I like from Farrow and Ball or BM or Behr and go to SW they never match it the way I like it. So I only use SW paint colors or go to BM to have them color match. Love BM they are my go too, they can match anything for me. This will all factor into how the paint appears to you in your lighting in your space. It might work it might not. Safe bet if you are in a hurry is get a paint that has been tested by the pros.

You always get the fromula when you color match so not sure why the formula changed if the apint was the same brand and base . I do color matching often at BM store no issues they use the same formula for every gallon I need but I never change the size of the can .

We've had great luck with SW matching.

You could try increasing the white pigment in the paint formula. That's what I've done. My custom color just had 75% of the pigment in the white base as the original color.

Thanks all for the responses. I went this morning to the other location that had the friendlier employees (and had some positive reviews about employees working to color match). The guy who helped me immediately said let's try this instead and the color was a near perfect match. So in a nutshell, the guy at the other location just screwed it up. The first coat is on the walls and it's looking promising. Second coat goes on tomorrow.

To answer some of the above questions - I bought samples of Tansy Green, Ryegrass, Bok Choy (all in the same color palette) and 75% and 65% mixes of the Tansy Green and painted big patches on the walls and observed in various light for a few days. That's how I landed on the 65% formula. I love the Tansy Green, but just didn't want something with such a low LRV in my kitchen. Fingers crossed I love it once the second coat dries!

You could try MyPerfectColor.com. You can send in a sample of the color that you liked (The one you are trying to achieve) and they can color match it. They have alot of colors and also do custom color matching. Custom Color Matching

I like patricia remark about matching.....Ben Moore is great paint but you cannot match one paint brand to another paint brand because the color bases of each company are different, so the color mixed is different. Sad but true. But it seems there is a color match blog etc that tells you how to choose one color from one company to a very similar color from another company. Check online. You might want to reschedule the painters though. This is tricky