Color

#59cfb5

#59cfb5
hex#59cfb5
rgbrgb(89, 207, 181)
hslhsl(167, 55%, 58%)
oklchoklch(0.78 0.113 176.3)
Closest name: mediumaquamarine (#66cdaa)Relative luminance 0.5009

Colors that go with #59cfb5

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 →

#cf5973

#59cf7a · #59adcf

#b559cf · #cfb559

Split-complementary

Open in tool →

#cf59ad · #cf7a59

#7a59cf · #cf5973 · #adcf59

Contrast

#59cfb5 as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #26826e as the text (4.67:1)
  • AAA: use #1d6354 as the text (7.08:1)
  • AA: or shift the background to #4a4a4a (4.65:1)
  • AAA: or shift the background to #2e2e2e (7.12:1)
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 #59cfb5 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 #59cfb5
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 #59cfb5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59cfb5-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