Color

#59a170

#59a170
hex#59a170
rgbrgb(89, 161, 112)
hslhsl(139, 29%, 49%)
oklchoklch(0.648 0.104 152.9)
Closest name: Cosmic Green (#30a877)Relative luminance 0.2878

Colors that go with #59a170

Charcoal, Blue and Copper 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 →

#a1598a

#66a159 · #59a194

#7059a1 · #a17059

Split-complementary

Open in tool →

#9459a1 · #a15966

#5966a1 · #a1598a · #a19459

Contrast

#59a170 as textRatioAAAA largeAAAFix
Aaon white
3.11:1failpassfail
  • AA: use #478059 as the text (4.67:1)
  • AAA: use #355f42 as the text (7.32:1)
  • AA: or shift the background to #2b2b2b (4.56:1)
Aaon black
6.76:1passpassfail
  • AAA: use #5ea675 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #59a170 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 #59a170
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 #59a170 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59a170-a2beae-c059d4-1f2d2a-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