Color

#40cae2

#40cae2
hex#40cae2
rgbrgb(64, 202, 226)
hslhsl(189, 74%, 57%)
oklchoklch(0.776 0.119 211.8)
Closest name: darkturquoise (#00ced1)Relative luminance 0.4882

Colors that go with #40cae2

Charcoal, Dark Orange and Midnight Blue 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 →

#e25940

#40e2aa · #4079e2

#e240ca · #cae240

Split-complementary

Open in tool →

#e24079 · #e2aa40

#aa40e2 · #e25940 · #79e240

Contrast

#40cae2 as textRatioAAAA largeAAAFix
Aaon white
1.95:1failfailfail
  • AA: use #168092 as the text (4.63:1)
  • AAA: use #11616f as the text (7.09:1)
  • AA: or shift the background to #4a4a4a (4.54:1)
  • AAA: or shift the background to #2b2b2b (7.26:1)
Aaon black
10.76:1passpasspassPasses 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 #40cae2 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#40cae2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #40cae2
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 #40cae2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40cae2-a2b7be-df4e7e-1f252d-e9f1ee?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