Color

#429e9d

#429e9d
hex#429e9d
rgbrgb(66, 158, 157)
hslhsl(179, 41%, 44%)
oklchoklch(0.644 0.086 194.2)
Closest name: Baltic (#279d9f)Relative luminance 0.2805

Colors that go with #429e9d

Charcoal, Blush Pink 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.

Real palettes that use #429e9d

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9e4244

#429e6f · #42729e

#9d429e · #9e9d42

Split-complementary

Open in tool →

#9e4272 · #9e6f42

#6f429e · #9e4244 · #729e42

Contrast

#429e9d as textRatioAAAA largeAAAFix
Aaon white
3.18:1failpassfail
  • AA: use #368180 as the text (4.56:1)
  • AAA: use #296160 as the text (7.06:1)
  • AA: or shift the background to #292929 (4.58:1)
Aaon black
6.61:1passpassfail
  • AAA: use #45a5a4 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #429e9d 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 #429e9d
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 #429e9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/429e9d-a2bbbe-d45996-1f272d-e9f1ed?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