Color

#40cead

#40cead
hex#40cead
rgbrgb(64, 206, 173)
hslhsl(166, 59%, 53%)
oklchoklch(0.768 0.129 173.8)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.4825

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce4061

#40ce66 · #40a8ce

#ad40ce · #cead40

Split-complementary

Open in tool →

#ce40a8 · #ce6640

#6640ce · #ce4061 · #a8ce40

Contrast

#40cead as textRatioAAAA largeAAAFix
Aaon white
1.97:1failfailfail
  • AA: use #21826b as the text (4.7:1)
  • AAA: use #196150 as the text (7.32:1)
  • AA: or shift the background to #474747 (4.71:1)
  • AAA: or shift the background to #2b2b2b (7.18:1)
Aaon black
10.65:1passpasspassPasses 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 #40cead 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 #40cead
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 #40cead and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40cead-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