Color

#40ceb2

#40ceb2
hex#40ceb2
rgbrgb(64, 206, 178)
hslhsl(168, 59%, 53%)
oklchoklch(0.769 0.126 176.7)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4845

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce405d

#40ce6b · #40a3ce

#b240ce · #ceb240

Split-complementary

Open in tool →

#ce40a3 · #ce6b40

#6b40ce · #ce405d · #a3ce40

Contrast

#40ceb2 as textRatioAAAA largeAAAFix
Aaon white
1.96:1failfailfail
  • AA: use #21826e as the text (4.68:1)
  • AAA: use #196153 as the text (7.3:1)
  • AA: or shift the background to #4a4a4a (4.51:1)
  • AAA: or shift the background to #2b2b2b (7.21:1)
Aaon black
10.69:1passpasspassPasses 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 #40ceb2 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 #40ceb2
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 #40ceb2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40ceb2-a2bebc-d459ad-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