Northern Sky Blue 4008-5B is a blue paint color from Valspar. It has a hex value of #AAC5D3, estimated LRV 53 and a cool (blue) undertone. Its closest cross-brand match is Twinkle from PPG (nearly identical), with 49 more equivalents across other brands.
Valspar · #AAC5D3 · 4008-5B
Northern Sky Blue
53%Estimated LRV
Cool (Blue)Undertone
Northern Sky Blue Technical Profile
HEX Code#AAC5D3
RGB170, 197, 211
Estimated LRV53.2
UndertoneCool (Blue)
Digital swatches and calculated matches are approximations. Catalog LRV values may be calculated estimates, not manufacturer measurements. Data and matching method. Check the brand reference and physical samples before purchase.
Color Familyblue
BrandValspar
Test it in your room
Place physical samples beside your flooring and trim. Check them in daylight and with your evening lights before buying paint.
Use this color
Get this color
Some sample and supply links are affiliate links — if you buy through them, Paint Color HQ may earn a small commission at no extra cost to you. It helps keep the site free.
Compare alternatives to Northern Sky Blue
Digital candidates from other paint brands, ranked by color similarity. Always verify with a physical sample. How we calculate match accuracy →
Twinkle
PPG
#ADC6D3
Close digital match
Greenhow Blue
Benjamin Moore
#ADC8D5
Close digital match
Quiet Blue
Kilz
#A5C3D2
Close digital match
Dancing in the Rain
Vista Paint
#ABC5D5
Close digital match
Opal Waters
Behr
#AEC4D0
Close digital match
Dancing in the Rain
Hirshfield's
#ABC5D6
Close digital match
Vast Sky
Sherwin-Williams
#A9C9D7
Close digital match
Tender Blue
Dutch Boy
#A9C9D7
Close digital match
Peace River
Dunn-Edwards
#A8BFCC
Close digital match
Dream .03
Colorhouse
#B4CBD9
Similar digital color
Lulworth Blue
Farrow & Ball
#A1B8CA
Similar digital color
Comparing these brands? Order peel-and-stick samples of your top matches — Samplize buy 8 peel-and-stick samples, get 2 free.
Generated palette previews
Colors That Work With Northern Sky Blue
These are generated digital colors, not named manufacturer paints. Use the palette tools to find paint candidates, then compare physical samples.
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Northern Sky Blue
#AAC5D3
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#858BAD
Trim & Molding
Digital white
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Northern Sky Blue
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Northern Sky Blue Room Palettes
Color schemes built around this color — each swatch links to the closest matching paint.
Warm & Inviting
Warm tones with cozy appeal — welcoming and comfortable
Cool & Calm
Cool hues with soft contrast — serene and restful
Bold Contrast
Complementary hues with punch — dynamic and striking
Similar Valspar Colors
Other Valspar colors close to Northern Sky Blue.
More blue colors from other brands
Cross-brand colors in the blue family — useful when you want a similar look from a different brand.
Northern Sky Blue — Frequently Asked Questions
What undertone does Northern Sky Blue have?
Northern Sky Blue by Valspar has a cool (blue) undertone and sits in the blue color family. This is a digital classification, not a prediction of physical paint under every light. Compare samples in your own space.
What colors match Northern Sky Blue from other brands?
The closest cross-brand equivalents to Northern Sky Blue are Twinkle by PPG (a close digital match), Greenhow Blue by Benjamin Moore (a close digital match), Sea View by Benjamin Moore (a close digital match) — the best options for getting Northern Sky Blue's look from a brand your local store carries. Confirm with a physical sample, since sheen and lighting shift the final result.
What is the LRV of Northern Sky Blue?
Northern Sky Blue has a estimated lightness value of 53.2, on a scale where 0 is pure black and 100 is pure white — that makes it a mid-light color — bright enough for living areas yet soft enough for bedrooms, and adaptable across most lighting conditions.
Explore More with Northern Sky Blue
Related Reading
How to Match Paint Colors Across Brands
The science behind Delta E and CIEDE2000 — find a Behr equivalent of any Sherwin-Williams shade, or a Benjamin Moore alternative when your store is out of stock.
Understanding Paint Color Undertones
Why Northern Sky Blue's cool (blue) undertone matters more than its surface color — and how to read undertones in any paint chip.