Color

#59cf78

#59cf78
hex#59cf78
rgbrgb(89, 207, 120)
hslhsl(136, 55%, 58%)
oklchoklch(0.766 0.163 149.6)
Closest name: Emerald Green (#50c878)Relative luminance 0.4811

Colors that go with #59cf78

Charcoal, Deep Sky Blue and Mustard Yellow 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 →

#cf59af

#74cf59 · #59cfb3

#7859cf · #cf7859

Split-complementary

Open in tool →

#b359cf · #cf5974

#5974cf · #cf59af · #cfb359

Contrast

#59cf78 as textRatioAAAA largeAAAFix
Aaon white
1.98:1failfailfail
  • AA: use #278640 as the text (4.59:1)
  • AAA: use #1d632f as the text (7.3:1)
  • AA: or shift the background to #474747 (4.7:1)
  • AAA: or shift the background to #2b2b2b (7.16:1)
Aaon black
10.62:1passpasspassPasses 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 #59cf78 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 #59cf78
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 #59cf78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59cf78-a2bead-b959d4-1f2d29-ebf1e9?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