Ref. #5C6B6B · 493
Spacebox
14%LRV Value
Cool (Green)Undertone
Spacebox Technical Profile
What color is Spacebox? It's a deep cool gray with the hex code #5C6B6B. Colors similar to Spacebox include Vista Paint Wrapped in Twilight, Sherwin-Williams Mountain Pass, Benjamin Moore Knoxville Gray. Spacebox has a cool (green) undertone, which affects how it pairs with trim, flooring, and adjacent wall colors. With an LRV of 14, Spacebox creates a dramatic, enveloping mood — best on accent walls, dining rooms, and intimate spaces where atmosphere matters more than reflected light. As a cool neutral, Spacebox pairs with cool whites for trim, gray-toned or rift-cut oak floors, and brushed nickel or polished chrome hardware. Black accents and natural greenery add contrast. Cool neutrals hold their crisp quality under 4000K+ daylight bulbs. Under 2700K warm light they soften considerably — particularly true for any blue or green undertone.
Colors Similar to Spacebox
Closest digital match based on color values. Always verify with physical samples.
Wrapped in Twilight
Vista Paint
Nearly identical
Mountain Pass
Sherwin-Williams
Nearly identical
Knoxville Gray
Benjamin Moore
Nearly identical
Inchyra Blue
Farrow & Ball
Nearly identical
Juniper Berry
PPG
Nearly identical
Mountain Pine
Behr
Nearly identical
Charcoal
Kilz
Very similar
Dark Pewter
Dunn-Edwards
Very similar
Recommended Pairings
Colors That Work With Spacebox
Timeless pairing with clean white trim and a tonal accent wall
Side Walls
Spacebox
#5C6B6B
Accent Wall
Tonal Shift
A warm shift that adds depth without clashing.
#647D96
Trim & Molding
Pure White
Crisp white trim for a clean, traditional look.
#FFFFFF
Color Palettes for Spacebox
Color harmonies based on color theory — each swatch links to the closest matching paint.
Opposite on the color wheel — creates vibrant contrast
Spacebox 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 Hirshfield's Colors
Other Hirshfield's colors close to Spacebox.
More gray colors from other brands
Cross-brand colors in the gray family — useful when you want a similar look from a different brand.
Spacebox — Frequently Asked Questions
What undertone does Spacebox have?
Spacebox by Hirshfield's has a cool (green) undertone and belongs to the gray color family.
What colors match Spacebox from other brands?
The closest matches are Wrapped in Twilight by Vista Paint (#5D6B6B), Mountain Pass by Sherwin-Williams (#5C6A6A), Knoxville Gray by Benjamin Moore (#5F6D6D). Always verify with physical samples.
What is the LRV of Spacebox?
Spacebox has an LRV of 13.9, where 0 is pure black and 100 is pure white.
Explore More with Spacebox
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 Spacebox's cool (green) undertone matters more than its surface color — and how to read undertones in any paint chip.