Color

#4bb0b9

#4bb0b9
hex#4bb0b9
rgbrgb(75, 176, 185)
hslhsl(185, 44%, 51%)
oklchoklch(0.702 0.094 203.3)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.3605

Colors that go with #4bb0b9

Charcoal, Dark Olive Green 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 →

#b9544b

#4bb98b · #4b79b9

#b94bb0 · #b0b94b

Split-complementary

Open in tool →

#b94b79 · #b98b4b

#8b4bb9 · #b9544b · #79b94b

Contrast

#4bb0b9 as textRatioAAAA largeAAAFix
Aaon white
2.56:1failfailfail
  • AA: use #358188 as the text (4.52:1)
  • AAA: use #275e63 as the text (7.32:1)
  • AA: or shift the background to #383838 (4.58:1)
  • AAA: or shift the background to #171717 (7.01:1)
Aaon black
8.21:1passpasspassPasses 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 #4bb0b9 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

#4bb0b9 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4bb0b9
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 #4bb0b9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4bb0b9-a2b8be-df4e88-1f262d-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