Color

#4c8185

#4c8185
hex#4c8185
rgbrgb(76, 129, 133)
hslhsl(184, 27%, 41%)
oklchoklch(0.568 0.057 201.9)
Closest name: Arctic (#648589)Relative luminance 0.1893

Colors that go with #4c8185

Charcoal, Amber 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#85504c

#4c856c · #4c6585

#854c81 · #81854c

Split-complementary

Open in tool →

#854c65 · #856c4c

#6c4c85 · #85504c · #65854c

Contrast

#4c8185 as textRatioAAAA largeAAAFix
Aaon white
4.39:1failpassfail
  • AA: use #4a7e82 as the text (4.57:1)
  • AAA: use #385e61 as the text (7.14:1)
  • AA: or shift the background to #0a0a0a (4.51:1)
Aaon black
4.79:1passpassfail
  • AAA: use #64a1a6 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c8185 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 #4c8185
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 #4c8185 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c8185-a2b9be-df4e8a-1f262d-e9f1ee?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