Comparison

Alyssum vs Go Girl!

Sherwin-Williams SW 6589 and Vista Paint 8123, ΔE 0.9 apart

Sherwin-Williams Alyssum SW 6589 on a wall, hex #F2D5D7
Alyssum Sherwin-Williams SW 6589
Vista Paint Go Girl! 8123 on a wall, hex #F4D7DA
Go Girl! Vista Paint 8123
Zeytin’s verdict · ΔE 0.9Same color. Buy the cheaper one.

Sherwin-Williams Alyssum (SW 6589) and Vista Paint Go Girl! (8123) measure a delta-E of 0.9 apart. They sit within 1.1 LRV points of each other, so neither will look brighter than the other on the same wall. Both carry a similar amount of color, at chroma 10.7 and 10.8. Side by side on a wall these are effectively the same color. Choose on price and availability rather than appearance. If you need the Go Girl! depth in Sherwin-Williams's line, start from its LRV of 70.0 rather than matching by name.

Is Sherwin-Williams Alyssum the same color as Vista Paint Go Girl!?

Yes, by measurement - Sherwin-Williams Alyssum and Vista Paint Go Girl! are only delta-E 0.9 apart, which is below what the human eye can reliably tell apart.

What is the delta-E between Sherwin-Williams Alyssum and Vista Paint Go Girl!?

The measured color distance between Sherwin-Williams Alyssum and Vista Paint Go Girl! is delta-E 0.9.

Which is lighter, Sherwin-Williams Alyssum or Vista Paint Go Girl!?

Sherwin-Williams Alyssum is lighter than Vista Paint Go Girl! by 1.1 points of light reflectance (LRV).

CLOSEST PAIRΔE 0.9 Alyssum and Go Girl!
LIGHTESTAlyssum LRV 71.1
DARKESTGo Girl! LRV 70.0
SPREAD1.1LRV points

Side by side

measured values
Alyssum Go Girl!
Brand Sherwin-Williams Vista Paint
Code SW 6589 8123
Hex #F2D5D7 #F4D7DA
Light reflectance 71.1 70.0
Undertone pink undertone pink undertone
Chroma 10.7 10.8
Hue angle 14.6° 11.8°
Color family red red

Each on its own

full detail