Color

#59cf63

#59cf63
hex#59cf63
rgbrgb(89, 207, 99)
hslhsl(125, 55%, 58%)
oklchoklch(0.762 0.182 145)
Closest name: Emerald Green (#50c878)Relative luminance 0.4765

Colors that go with #59cf63

Charcoal, Royal Blue and Taupe 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 →

#cf59c5

#8acf59 · #59cf9e

#6359cf · #cf6359

Split-complementary

Open in tool →

#9e59cf · #cf598a

#598acf · #cf59c5 · #cf9e59

Contrast

#59cf63 as textRatioAAAA largeAAAFix
Aaon white
1.99:1failfailfail
  • AA: use #27862f as the text (4.63:1)
  • AAA: use #1d6323 as the text (7.34:1)
  • AA: or shift the background to #474747 (4.66:1)
  • AAA: or shift the background to #2b2b2b (7.1:1)
Aaon black
10.53:1passpasspassPasses 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 #59cf63 as the background.

Brands using this color

mcpConnect your agent — build around #59cf63
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 #59cf63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59cf63-a2bea7-a54edf-1f2d26-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