Color

#59a666

#59a666
hex#59a666
rgbrgb(89, 166, 102)
hslhsl(130, 30%, 50%)
oklchoklch(0.659 0.122 147.9)
Closest name: Ferntastic (#71ab62)Relative luminance 0.3036

Colors that go with #59a666

Charcoal, Blue and Crimson 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 →

#a65999

#73a659 · #59a68c

#6659a6 · #a66659

Split-complementary

Open in tool →

#8c59a6 · #a65973

#5973a6 · #a65999 · #a68c59

Contrast

#59a666 as textRatioAAAA largeAAAFix
Aaon white
2.97:1failfailfail
  • AA: use #468150 as the text (4.65:1)
  • AAA: use #34603b as the text (7.29:1)
  • AA: or shift the background to #2e2e2e (4.57:1)
  • AAA: or shift the background to #000000 (7.07:1)
Aaon black
7.07:1passpasspassPasses 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 #59a666 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 #59a666
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 #59a666 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/59a666-a2beaa-b14edf-1f2d28-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