Color

#51a48e

#51a48e
hex#51a48e
rgbrgb(81, 164, 142)
hslhsl(164, 34%, 48%)
oklchoklch(0.66 0.088 173.9)
Closest name: Emerald Oasis (#67a195)Relative luminance 0.3025

Colors that go with #51a48e

Charcoal, Burlywood 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 #51a48e

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a45167

#51a464 · #5191a4

#8e51a4 · #a48e51

Split-complementary

Open in tool →

#a45191 · #a46451

#6451a4 · #a45167 · #91a451

Contrast

#51a48e as textRatioAAAA largeAAAFix
Aaon white
2.98:1failfailfail
  • AA: use #408270 as the text (4.52:1)
  • AAA: use #2f6053 as the text (7.19:1)
  • AA: or shift the background to #2e2e2e (4.56:1)
  • AAA: or shift the background to #000000 (7.05:1)
Aaon black
7.05:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51a48e 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 #51a48e
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 #51a48e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51a48e-a2beba-d459b5-1f2b2d-e9f1eb?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