Color

#5bcdb4

#5bcdb4
hex#5bcdb4
rgbrgb(91, 205, 180)
hslhsl(167, 53%, 58%)
oklchoklch(0.775 0.11 176.6)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.4918

Colors that go with #5bcdb4

Charcoal, Crimson and Deep Sky 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 →

#cd5b74

#5bcd7b · #5baccd

#b45bcd · #cdb45b

Split-complementary

Open in tool →

#cd5bac · #cd7b5b

#7b5bcd · #cd5b74 · #accd5b

Contrast

#5bcdb4 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #28816d as the text (4.72:1)
  • AAA: use #1e6253 as the text (7.17:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2e2e2e (7.01:1)
Aaon black
10.84:1passpasspassPasses 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 #5bcdb4 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 #5bcdb4
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 #5bcdb4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5bcdb4-a2bebb-d459af-1f2a2d-e9f1ec?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