Color

#5bb8c8

#5bb8c8
hex#5bb8c8
rgbrgb(91, 184, 200)
hslhsl(189, 50%, 57%)
oklchoklch(0.732 0.091 210.2)
Closest name: Blue Bobbin (#52b4ca)Relative luminance 0.4068

Colors that go with #5bb8c8

Charcoal, Dark Salmon and Blue 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 →

#c86b5b

#5bc8a2 · #5b81c8

#c85bb8 · #b8c85b

Split-complementary

Open in tool →

#c85b81 · #c8a25b

#a25bc8 · #c86b5b · #81c85b

Contrast

#5bb8c8 as textRatioAAAA largeAAAFix
Aaon white
2.3:1failfailfail
  • AA: use #2f7f8e as the text (4.62:1)
  • AAA: use #24606b as the text (7.09:1)
  • AA: or shift the background to #404040 (4.51:1)
  • AAA: or shift the background to #212121 (7:1)
Aaon black
9.14:1passpasspassPasses 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 #5bb8c8 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

#5bb8c8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5bb8c8
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 #5bb8c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bb8c8-a2b7be-df4e7e-1f252d-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