Color

#427663

#427663
hex#427663
rgbrgb(66, 118, 99)
hslhsl(158, 28%, 36%)
oklchoklch(0.523 0.064 168.3)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1502

Colors that go with #427663

Charcoal, Medium Violet Red and Champagne 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.

Real palettes that use #427663

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#764255

#427649 · #426f76

#634276 · #766342

Split-complementary

Open in tool →

#76426f · #764942

#494276 · #764255 · #6f7642

Contrast

#427663 as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
  • AAA: use #355f4f as the text (7.24:1)
Aaon black
4:1failpassfail
  • AA: use #487f6b as the text (4.52:1)
  • AAA: use #5ca389 as the text (7.06:1)
  • AA: or shift the background to #f0f0f0 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #427663 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #427663
live endpoint

Point 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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #427663 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/427663-a2beb7-d459c2-1f2c2d-e9f1eb?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md