Color

#38b271

#38b271
hex#38b271
rgbrgb(56, 178, 113)
hslhsl(148, 52%, 46%)
oklchoklch(0.68 0.144 155.6)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3387

Colors that go with #38b271

Charcoal, Midnight Blue and Mustard Yellow 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 →

#b23879

#3cb238 · #38b2ae

#7138b2 · #b27138

Split-complementary

Open in tool →

#ae38b2 · #b2383c

#383cb2 · #b23879 · #b2ae38

Contrast

#38b271 as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #2a8454 as the text (4.64:1)
  • AAA: use #206540 as the text (7.01:1)
  • AA: or shift the background to #333333 (4.68:1)
  • AAA: or shift the background to #0f0f0f (7.1:1)
Aaon black
7.77:1passpasspassPasses 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 #38b271 as the background.

Brands using this color

mcpConnect your agent — build around #38b271
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 #38b271 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/38b271-a2beb2-d259d4-1f2d2c-eaf1e9?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