Light Spring or Light Summer? Peach settles it.

Warm Raspberry and Watermelon are nearly the same garment. Light Spring's raspberry and Light Summer's watermelon sit so close that most eyes cannot split them on a rack, the closest twin we found anywhere on this boundary series. Two palettes that disagree about your season agree almost perfectly about one pink.

Both seasons are light first, and that part of you is settled. Lightness leads either palette; a split between these two has already agreed on the loudest thing about your coloring. The open question is warmth, sunlit against powdery, and warmth also happens to be the thing a camera's auto settings move most. That is why this particular pair haunts quiz results.

Five pairs cross the boundary close enough to count as shared. We measured every color in each palette against the other, the same check a reading runs against your sister season. Five pairs came back close enough to be the same purchase. The table is the shared wardrobe; everything outside it belongs to one side of the line.

Watch what the word periwinkle does in the middle rows. Light Spring's periwinkle actually matches Light Summer's powder denim, while Light Summer's periwinkle matches Light Spring's warm denim. The same retail word crosses the boundary and lands on a different color each way, which is exactly why a label that just says periwinkle cannot settle anything and a measured read can.

The sixth-closest pair, the two navies, just misses the shared list, and we would rather leave it off than round it in. Past that the palettes separate for good: coral, salmon, and gold have no Light Summer counterpart at all.

Peach is this boundary's camel. Light Spring wears peach; Light Summer's palette lists it as a color to avoid; and the two versions are nearly the same color in the store. One garment, held at the chin in daylight, runs the exact comparison the two avoid lists disagree about. Light Spring's light camel leans on the same seam, so the whole warm-sand shelf votes with the peach.

The ivory rows are the subtle finding. Neither season wears pure white; both lists rule it out. Each palette instead carries its own ivory, one warm and one cool, sitting just off the white they both avoid, and the two ivories are themselves a very close match. Your white shirt is where this boundary actually shows: the question is never whether you soften white, only in which direction.

Read next: Between two seasons →

Both of these palettes are already built for fair, low-contrast coloring. Choosing between them by how light you are answers a question nobody asked. The palettes agree on lightness; they diverge on the warmth of everything, from the navies at the bottom to the ivories at the top.

The deciding call is the one cameras are worst at. Warmth is the hardest thing to judge by eye, and it is precisely what a warm bulb or an auto white balance rewrites. An uncorrected selfie does not measure your warmth; it measures your lighting's.

This is also not the True Summer question. True Summer against Light Summer argues about intensity, whether your colors hold at full strength, and that boundary is covered on our page about sitting between two seasons. This page's pair agrees about intensity and argues about warmth. If your two candidates are Light Spring and Light Summer, the peach test above is your test.

The metals split warm against cool with one soft overlap. Light Spring wears soft yellow gold, light rose gold, and champagne gold; Light Summer wears brushed silver, white gold, platinum, and soft rose gold. A rose gold grazes both lists, so the decisive comparison is champagne gold against brushed silver at the jawline, in daylight, one at a time.

Shop the bridge table above until the call settles. The raspberry-watermelon twin is the pair's one unconditional purchase, the two ivories cover the shirt problem under either name, and the denim-periwinkle cluster carries the mid-blues. Then settle it properly: a measured reading corrects your photo for the light before judging warmth, tells you how close the call was, names the runner-up, and flags every color you could wear under either name.

Honesty note: we expect 75 to 85 percent agreement between a Callume reading and a careful in-person analyst. That figure is our own estimate; no published figure exists, and pale, low-contrast boundary faces are exactly where careful methods split.