Color

#40fcd0

#40fcd0
hex#40fcd0
rgbrgb(64, 252, 208)
hslhsl(166, 97%, 62%)
oklchoklch(0.89 0.158 172.7)
Closest name: aquamarine (#7fffd4)Relative luminance 0.7526

Colors that go with #40fcd0

Charcoal, Taupe and Hot Pink 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 →

#fc406c

#40fc72 · #40cafc

#d040fc · #fcd040

Split-complementary

Open in tool →

#fc40ca · #fc7240

#7240fc · #fc406c · #cafc40

Contrast

#40fcd0 as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #028365 as the text (4.73:1)
  • AAA: use #02644d as the text (7.16:1)
  • AA: or shift the background to #636363 (4.59:1)
  • AAA: or shift the background to #474747 (7.1:1)
Aaon black
16.05:1passpasspassPasses 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 #40fcd0 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 #40fcd0
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 #40fcd0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40fcd0-a2bebb-d459b1-1f2a2d-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