Color

#1bf3cb

#1bf3cb
hex#1bf3cb
rgbrgb(27, 243, 203)
hslhsl(169, 90%, 53%)
oklchoklch(0.862 0.16 174.7)
Closest name: Fake Jade (#13eac9)Relative luminance 0.6865

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f31b43

#1bf360 · #1baff3

#cb1bf3 · #f3cb1b

Split-complementary

Open in tool →

#f31baf · #f3601b

#601bf3 · #f31b43 · #aff31b

Contrast

#1bf3cb as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #07836c as the text (4.7:1)
  • AAA: use #056150 as the text (7.41:1)
  • AA: or shift the background to #5e5e5e (4.55:1)
  • AAA: or shift the background to #424242 (7.05:1)
Aaon black
14.73:1passpasspassPasses 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 #1bf3cb as the background.

Brands using this color

mcpConnect your agent — build around #1bf3cb
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 #1bf3cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1bf3cb-a2bebc-d459ab-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