Color

#40c49f

#40c49f
hex#40c49f
rgbrgb(64, 196, 159)
hslhsl(163, 53%, 51%)
oklchoklch(0.739 0.126 170.4)
Closest name: Emerald Bliss (#4cbdac)Relative luminance 0.4307

Colors that go with #40c49f

Charcoal, Hot Pink and Dark Olive Green 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 →

#c44065

#40c45d · #40a8c4

#9f40c4 · #c49f40

Split-complementary

Open in tool →

#c440a8 · #c45d40

#5d40c4 · #c44065 · #a8c440

Contrast

#40c49f as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #29856b as the text (4.5:1)
  • AAA: use #1e624e as the text (7.21:1)
  • AA: or shift the background to #424242 (4.6:1)
  • AAA: or shift the background to #242424 (7.11:1)
Aaon black
9.61:1passpasspassPasses 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 #40c49f 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 #40c49f
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 #40c49f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40c49f-a2beb9-d459b7-1f2b2d-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