Color

#25b1bb

#25b1bb
hex#25b1bb
rgbrgb(37, 177, 187)
hslhsl(184, 67%, 44%)
oklchoklch(0.696 0.111 202.5)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3543

Colors that go with #25b1bb

Charcoal, Tomato and Denim lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bb2f25

#25bb7a · #2566bb

#bb25b1 · #b1bb25

Split-complementary

Open in tool →

#bb2566 · #bb7a25

#7a25bb · #bb2f25 · #66bb25

Contrast

#25b1bb as textRatioAAAA largeAAAFix
Aaon white
2.6:1failfailfail
  • AA: use #1b8188 as the text (4.62:1)
  • AAA: use #146166 as the text (7.16:1)
  • AA: or shift the background to #383838 (4.51:1)
  • AAA: or shift the background to #141414 (7.09:1)
Aaon black
8.09:1passpasspassPasses 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 #25b1bb as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#25b1bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #25b1bb
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #25b1bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/25b1bb-a2b9be-df4e8a-1f262d-e9f1ee?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