Color

#40fce3

#40fce3
hex#40fce3
rgbrgb(64, 252, 227)
hslhsl(172, 97%, 62%)
oklchoklch(0.895 0.149 181.6)
Closest name: Arctic Water (#00fcfc)Relative luminance 0.7626

Colors that go with #40fce3

Charcoal, Deep Sky Blue and Taupe 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 →

#fc4059

#40fc85 · #40b7fc

#e340fc · #fce340

Split-complementary

Open in tool →

#fc40b7 · #fc8540

#8540fc · #fc4059 · #b7fc40

Contrast

#40fce3 as textRatioAAAA largeAAAFix
Aaon white
1.29:1failfailfail
  • AA: use #028371 as the text (4.68:1)
  • AAA: use #026457 as the text (7.09:1)
  • AA: or shift the background to #636363 (4.65:1)
  • AAA: or shift the background to #474747 (7.19:1)
Aaon black
16.25:1passpasspassPasses 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 #40fce3 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 #40fce3
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 #40fce3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40fce3-a2bebe-d459a5-1f292d-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