Color

#53b139

#53b139
hex#53b139
rgbrgb(83, 177, 57)
hslhsl(107, 51%, 46%)
oklchoklch(0.678 0.18 139.6)
Closest name: Extra Life (#6ab417)Relative luminance 0.3358

Colors that go with #53b139

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 →

#9739b1

#8fb139 · #39b15b

#3953b1 · #b13953

Split-complementary

Open in tool →

#5b39b1 · #b1398f

#398fb1 · #9739b1 · #b15b39

Contrast

#53b139 as textRatioAAAA largeAAAFix
Aaon white
2.72:1failfailfail
  • AA: use #3e832a as the text (4.68:1)
  • AAA: use #2f6420 as the text (7.08:1)
  • AA: or shift the background to #333333 (4.64:1)
  • AAA: or shift the background to #0f0f0f (7.04:1)
Aaon black
7.72:1passpasspassPasses 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 #53b139 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 #53b139
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 #53b139 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53b139-a5bea2-7a4edf-1f2d22-eff1e9?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