Color

#1bf3bd

#1bf3bd
hex#1bf3bd
rgbrgb(27, 243, 189)
hslhsl(165, 90%, 53%)
oklchoklch(0.858 0.169 168.9)
Closest name: Aquamarine (#2ee8bb)Relative luminance 0.6801

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f31b51

#1bf351 · #1bbdf3

#bd1bf3 · #f3bd1b

Split-complementary

Open in tool →

#f31bbd · #f3511b

#511bf3 · #f31b51 · #bdf31b

Contrast

#1bf3bd as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #078364 as the text (4.73:1)
  • AAA: use #05614a as the text (7.46:1)
  • AA: or shift the background to #5e5e5e (4.51:1)
  • AAA: or shift the background to #404040 (7.21:1)
Aaon black
14.6:1passpasspassPasses 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 #1bf3bd 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 #1bf3bd
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 #1bf3bd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bf3bd-a2beba-d459b3-1f2b2d-e9f1eb?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