Color

#59cf6b

#59cf6b
hex#59cf6b
rgbrgb(89, 207, 107)
hslhsl(129, 55%, 58%)
oklchoklch(0.764 0.175 146.6)
Closest name: Emerald Green (#50c878)Relative luminance 0.4781

Colors that go with #59cf6b

Charcoal, Blue and Royal 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 →

#cf59bd

#82cf59 · #59cfa6

#6b59cf · #cf6b59

Split-complementary

Open in tool →

#a659cf · #cf5982

#5982cf · #cf59bd · #cfa659

Contrast

#59cf6b as textRatioAAAA largeAAAFix
Aaon white
1.99:1failfailfail
  • AA: use #278635 as the text (4.62:1)
  • AAA: use #1d6327 as the text (7.33:1)
  • AA: or shift the background to #474747 (4.67:1)
  • AAA: or shift the background to #2b2b2b (7.12:1)
Aaon black
10.56:1passpasspassPasses 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 #59cf6b as the background.

Brands using this color

mcpConnect your agent — build around #59cf6b
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 #59cf6b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59cf6b-a2bea9-ae4edf-1f2d27-ecf1e9?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