Color

#2bb1aa

#2bb1aa
hex#2bb1aa
rgbrgb(43, 177, 170)
hslhsl(177, 61%, 43%)
oklchoklch(0.69 0.11 189.6)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3486

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b12b31

#2bb167 · #2b74b1

#aa2bb1 · #b1aa2b

Split-complementary

Open in tool →

#b12b74 · #b1672b

#672bb1 · #b12b31 · #74b12b

Contrast

#2bb1aa as textRatioAAAA largeAAAFix
Aaon white
2.63:1failfailfail
  • AA: use #20837e as the text (4.56:1)
  • AAA: use #18635f as the text (7.03:1)
  • AA: or shift the background to #363636 (4.59:1)
  • AAA: or shift the background to #121212 (7.11:1)
Aaon black
7.97:1passpasspassPasses 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 #2bb1aa 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 #2bb1aa
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 #2bb1aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2bb1aa-a2bcbe-d4599b-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