Color

#4d9d91

#4d9d91
hex#4d9d91
rgbrgb(77, 157, 145)
hslhsl(171, 34%, 46%)
oklchoklch(0.642 0.081 182.7)
Closest name: Baltic (#279d9f)Relative luminance 0.2774

Colors that go with #4d9d91

Charcoal, Copper and Blush Pink 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 #4d9d91

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9d4d59

#4d9d69 · #4d819d

#914d9d · #9d914d

Split-complementary

Open in tool →

#9d4d81 · #9d694d

#694d9d · #9d4d59 · #819d4d

Contrast

#4d9d91 as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #3e7e75 as the text (4.72:1)
  • AAA: use #2f6058 as the text (7.16:1)
  • AA: or shift the background to #292929 (4.54:1)
Aaon black
6.55:1passpassfail
  • AAA: use #51a498 as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4d9d91 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 #4d9d91
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 #4d9d91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4d9d91-a2bebd-d459a7-1f292d-e9f1ec?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