Color

#5bcdc9

#5bcdc9
hex#5bcdc9
rgbrgb(91, 205, 201)
hslhsl(178, 53%, 58%)
oklchoklch(0.782 0.103 192.1)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.501

Colors that go with #5bcdc9

Charcoal, Deep Sky Blue and Light Coral 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 →

#cd5b5f

#5bcd90 · #5b98cd

#c95bcd · #cdc95b

Split-complementary

Open in tool →

#cd5b98 · #cd905b

#905bcd · #cd5b5f · #98cd5b

Contrast

#5bcdc9 as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #28817e as the text (4.63:1)
  • AAA: use #1e625f as the text (7.08:1)
  • AA: or shift the background to #4a4a4a (4.65:1)
  • AAA: or shift the background to #2e2e2e (7.13:1)
Aaon black
11.02:1passpasspassPasses 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 #5bcdc9 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 #5bcdc9
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 #5bcdc9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bcdc9-a2bcbe-d45999-1f282d-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