Color

#53b261

#53b261
hex#53b261
rgbrgb(83, 178, 97)
hslhsl(129, 38%, 51%)
oklchoklch(0.686 0.147 146.8)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3454

Colors that go with #53b261

Charcoal, Mustard Yellow 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 →

#b253a3

#74b253 · #53b290

#6153b2 · #b26153

Split-complementary

Open in tool →

#9053b2 · #b25374

#5374b2 · #b253a3 · #b29053

Contrast

#53b261 as textRatioAAAA largeAAAFix
Aaon white
2.66:1failfailfail
  • AA: use #3a8245 as the text (4.71:1)
  • AAA: use #2c6334 as the text (7.14:1)
  • AA: or shift the background to #363636 (4.55:1)
  • AAA: or shift the background to #121212 (7.06:1)
Aaon black
7.91:1passpasspassPasses 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 #53b261 as the background.

Brands using this color

mcpConnect your agent — build around #53b261
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 #53b261 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53b261-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