Color

#40c995

#40c995
hex#40c995
rgbrgb(64, 201, 149)
hslhsl(157, 56%, 52%)
oklchoklch(0.749 0.14 163.6)
Closest name: Emerald Green (#50c878)Relative luminance 0.4503

Colors that go with #40c995

Charcoal, Hot Pink and Mustard Yellow 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 →

#c94075

#40c950 · #40b9c9

#9540c9 · #c99540

Split-complementary

Open in tool →

#c940b9 · #c95040

#5040c9 · #c94075 · #b9c940

Contrast

#40c995 as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #25835f as the text (4.68:1)
  • AAA: use #1c6348 as the text (7.17:1)
  • AA: or shift the background to #454545 (4.57:1)
  • AAA: or shift the background to #262626 (7.21:1)
Aaon black
10.01:1passpasspassPasses 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 #40c995 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 #40c995
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 #40c995 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40c995-a2beb7-d459c4-1f2c2d-e9f1ea?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