Color

#2bb1a5

#2bb1a5
hex#2bb1a5
rgbrgb(43, 177, 165)
hslhsl(175, 61%, 43%)
oklchoklch(0.689 0.111 185.8)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3467

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b12b36

#2bb163 · #2b79b1

#a52bb1 · #b1a52b

Split-complementary

Open in tool →

#b12b79 · #b1632b

#632bb1 · #b12b36 · #79b12b

Contrast

#2bb1a5 as textRatioAAAA largeAAAFix
Aaon white
2.65:1failfailfail
  • AA: use #20837b as the text (4.57:1)
  • AAA: use #18635c as the text (7.05:1)
  • AA: or shift the background to #363636 (4.57:1)
  • AAA: or shift the background to #121212 (7.08:1)
Aaon black
7.93:1passpasspassPasses 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 #2bb1a5 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 #2bb1a5
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 #2bb1a5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2bb1a5-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