Color

#4c8a9a

#4c8a9a
hex#4c8a9a
rgbrgb(76, 138, 154)
hslhsl(192, 34%, 45%)
oklchoklch(0.598 0.068 216.4)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2205

Colors that go with #4c8a9a

Charcoal, Copper and Amber 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 #4c8a9a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a5b4c

#4c9a82 · #4c639a

#9a4c8a · #8a9a4c

Split-complementary

Open in tool →

#9a4c63 · #9a824c

#824c9a · #9a5b4c · #639a4c

Contrast

#4c8a9a as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #457e8c as the text (4.55:1)
  • AAA: use #345f6a as the text (7.02:1)
  • AA: or shift the background to #171717 (4.62:1)
Aaon black
5.41:1passpassfail
  • AAA: use #5ea0b0 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4c8a9a as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #4c8a9a
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 #4c8a9a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4c8a9a-a2b5be-df4e77-1f242d-e9f1ef?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