Color

#3dc7bb

#3dc7bb
hex#3dc7bb
rgbrgb(61, 199, 187)
hslhsl(175, 55%, 51%)
oklchoklch(0.754 0.117 186.5)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4543

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c73d49

#3dc777 · #3d8ec7

#bb3dc7 · #c7bb3d

Split-complementary

Open in tool →

#c73d8e · #c7773d

#773dc7 · #c73d49 · #8ec73d

Contrast

#3dc7bb as textRatioAAAA largeAAAFix
Aaon white
2.08:1failfailfail
  • AA: use #26827b as the text (4.6:1)
  • AAA: use #1d635d as the text (7.01:1)
  • AA: or shift the background to #454545 (4.6:1)
  • AAA: or shift the background to #262626 (7.27:1)
Aaon black
10.09:1passpasspassPasses 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 #3dc7bb 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 #3dc7bb
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 #3dc7bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3dc7bb-a2bdbe-d4599f-1f282d-e9f1ed?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