Bookshop
Open in tool →Chestnut and forest on cream read like a cloth-bound spine; the palette recedes so covers and type do the talking.
Color
#375d4f
#375d4f
hex
#375d4frgb
rgb(55, 93, 79)hsl
hsl(158, 26%, 29%)oklch
oklch(0.445 0.05 168.6)Closest name: Ethereal Woods (#3e5e4e)Relative luminance 0.0921
Colors that go with #375d4f
Cadet Blue, Champagne and Copper lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Cadet Blue #5f9ea0
shippedCadet Blue is paired with #375d4f in 4 real palettes, including Paper & Pine and Alpine, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Champagne #f7e7ce
shippedChampagne is paired with #375d4f in 4 real palettes, including Darkroom and BrandSweets's brand system, as the surface under it — a combination designers have actually shipped, not a computed rotation.
Copper #b87333
shippedCopper is paired with #375d4f in 4 real palettes, including Desert Road and Clay & Linen, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #375d4f in 5 real palettes, including Codecademy's brand system and Gemstone, as the accent — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #375d4f in 9 real palettes, including HP's brand system and Hinge's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #375d4f in 4 real palettes, including Fireside and Mid-Century, as the accent — a combination designers have actually shipped, not a computed rotation.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #375d4f: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Rose Gold #b76e79
complementaryRose Gold sits directly opposite #375d4f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #375d4f
Tints & shades
Harmonies
Contrast
| #375d4f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.39:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.84:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #375d4f as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#375d4f reads as muted, dark, luxury. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #375d4f
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #375d4f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/375d4f-a2beb7-d459c2-1f2c2d-e9f1eb?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md