Color

#436b63

#436b63
hex#436b63
rgbrgb(67, 107, 99)
hslhsl(168, 23%, 34%)
oklchoklch(0.496 0.047 180.2)
Closest name: Deep Pool Teal (#366d68)Relative luminance 0.1261

Colors that go with #436b63

Charcoal, Cadet Blue 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 →

#6b434b

#436b4f · #435f6b

#63436b · #6b6343

Split-complementary

Open in tool →

#6b435f · #6b4f43

#4f436b · #6b434b · #5f6b43

Contrast

#436b63 as textRatioAAAA largeAAAFix
Aaon white
5.96:1passpassfail
  • AAA: use #3b5e57 as the text (7.18:1)
Aaon black
3.52:1failpassfail
  • AA: use #4f7d74 as the text (4.52:1)
  • AAA: use #68a195 as the text (7.12:1)
  • AA: or shift the background to #e0e0e0 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #436b63 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 #436b63
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 #436b63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/436b63-a2bebc-d459ad-1f2a2d-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