Color

#3cfbdb

#3cfbdb
hex#3cfbdb
rgbrgb(60, 251, 219)
hslhsl(170, 96%, 61%)
oklchoklch(0.89 0.152 178.2)
Closest name: aquamarine (#7fffd4)Relative luminance 0.7507

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb3c5c

#3cfb7c · #3cbbfb

#db3cfb · #fbdb3c

Split-complementary

Open in tool →

#fb3cbb · #fb7c3c

#7c3cfb · #fb3c5c · #bbfb3c

Contrast

#3cfbdb as textRatioAAAA largeAAAFix
Aaon white
1.31:1failfailfail
  • AA: use #03826d as the text (4.75:1)
  • AAA: use #026454 as the text (7.11:1)
  • AA: or shift the background to #636363 (4.58:1)
  • AAA: or shift the background to #474747 (7.09:1)
Aaon black
16.01:1passpasspassPasses 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 #3cfbdb 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 #3cfbdb
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 #3cfbdb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cfbdb-a2bebd-d459a9-1f292d-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