Color

#40e2cd

#40e2cd
hex#40e2cd
rgbrgb(64, 226, 205)
hslhsl(172, 74%, 57%)
oklchoklch(0.826 0.134 182.3)
Closest name: turquoise (#40e0d0)Relative luminance 0.5989

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#e24056

#40e27c · #40a7e2

#cd40e2 · #e2cd40

Split-complementary

Open in tool →

#e240a7 · #e27c40

#7c40e2 · #e24056 · #a7e240

Contrast

#40e2cd as textRatioAAAA largeAAAFix
Aaon white
1.62:1failfailfail
  • AA: use #148576 as the text (4.52:1)
  • AAA: use #0f6257 as the text (7.23:1)
  • AA: or shift the background to #545454 (4.68:1)
  • AAA: or shift the background to #383838 (7.25:1)
Aaon black
12.98:1passpasspassPasses 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 #40e2cd 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 #40e2cd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #40e2cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40e2cd-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