North Star Undertones: What to Compare Beside Your Finishes

Start with the documented color character

North Star is an airy blue softened by slate gray. A physical comparison is needed to decide how that character works with your own finishes. North Star is lighter than Krypton and close to Misty in reflectance, making the blue-gray character important beyond the numbers.

Why the white curtains and honey oak relationship matters

Honey oak can counter a cool-looking wall, but it cannot create daylight in the shaded return that needs assessment.

North Star has an LRV of 62; Sherwin-Williams Misty SW-6232 is 64. The difference is 2 points, with Misty returning more light under the reference measurement. Misty is a very light blue with slate-gray undertones. This supplies a named color control; the LRV gap alone does not identify the warmer, greener or pinker paint.

Use Misty as a control

With North Star, identify the hue you want to retain rather than trying to eliminate all undertones. Place the sample with white curtains and honey oak and compare Misty. A blue-green, rosy or earthy paint may need a different color direction if its defining character is unwelcome.

Separate a persistent cast from a comparison effect

Check the darkest return wall with the curtain drawn; choose the blue-gray appearance you will actually live with. The warm-versus-cool comparison covers that related choice.

If the unwanted cast remains beside a permanent finish under normal light, that is a practical reason to replace North Star. If it appears only beside an unused sample, remove the comparison and assess the intended palette alone. Before ordering samples, compare room-planning features in the paint color visualizer roundup.