much more info needed, please.

I think-since cabinetry is so expensive, is such a hassle to makeover, and is supposed to stay there for the longest possible time-when one decides to go with a color for it, it should be the color that a)plays best with the rest of the elements, concept of the house itself, style, view, etc) and b) color that has a potential to make him/her the happiest whatever their mood is. Say I recognize that sometimes I'll need to be invigorated, and sometimes I'll need to be calmed down. It's a house. One expects a lot of it. It's like your parents-they need to answer your changing emotional etc needs, right?:) That's how I chose my taupe/greige cabinets-after taking into account the concept, the view, the flooring, the other blahblah-I knew that throughout decades this color had the ability to both make me happy and uplifted-and calmer and consoled. I don't believe in universal reactions to a color. Some things are universal, sure-but some are cultural, have historical context, geographical context..some are highly personal too. So. When it comes to a paint on very expensive surface. I'd listen to my house, very attentively. And I'd listen to myself, attentively just the same. One can pull off green plus gray but will be challenging. Can be done though if one does it in a very considerate way. They might look the same in the end lol. Green plus cream would be nothing short of fab. Or green and off white. Green cabinets-the mild color you're thinking of-are breathtaking to me. Are they to you? Do you love them enough to smile every time you look at them? What's your visceral reaction to gray? Do you love it enough to marry it so to say? You might. Whatever's a fad or nowadays fashion shouldn't concern you. IF you love it enough because to you, it spells both joy and consolation. Or will you find yourself happy with cream, day after day? Don't mind the timelessness. Now wood stain will come back soon (already knocking at the door) and in five years folks will suddenly forget how everybody wanted white or cream cabinets. Is it fair to whites and creams? Of course it's not. But it's how things here are lol. So don't think of its versatility too much either. Wood stain is the most versatile of them all to say the truth(if not too distinctive a stain). Think of only whether it goes with your concept, and whether you love it enough. I looked through hundreds of inspirational pics. Very different yet all amazing. I narrowed down to two of them I couldn't take my eyes off One, I could pull off in my kitchen. Another one, I could not, because of layout etc. Eventually I chose one of them as the inspiration for the color, and I never looked back, and I don't care what others think(they think it's very pretty anyway lol) I just care about what my house thinks and what do I feel looking at it every day, being a bit different every day. The color still have this magic about it-to be whatever I want, regardless of what day I have. Ah, and when picking color..look everywhere. Your green can be listed in grays. Or in off whites. Or your gray can be listed in greens or off whites. Or your white will be found in greens lol. Don't mind the name. Look for the shade that will behave as you want it to behave, in your space, in your light, with the rest of your elements. Give it your own name if you must. Disregard how companies call that color. Think of paint for your walls of course, simultaneously, since the concept should be developed as a whole if possible; but pick it after you make final decision about cabinets. Walls are easier.

Take a look at SW Blue Iris. Its a gorgeous color. Sea salt is lighter, but very pretty and it does go with your oak cabinets, however a bit brighter color would go much better. https://www.lowes.com/pd/HGTV-HOME-by-Sherwin-Williams-Blue-Iris-Interior-Eggshell-Paint-Sample-Actual-Net-Contents-31-fl-oz/50388208

Picture would be helpful, to see the layout/transitions/overall house's style