Color

#30bb81

#30bb81
hex#30bb81
rgbrgb(48, 187, 129)
hslhsl(155, 59%, 46%)
oklchoklch(0.705 0.145 160.4)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3775

Colors that go with #30bb81

Charcoal, Hot Pink and Midnight 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 →

#bb306a

#30bb3c · #30afbb

#8130bb · #bb8130

Split-complementary

Open in tool →

#bb30af · #bb3c30

#3c30bb · #bb306a · #afbb30

Contrast

#30bb81 as textRatioAAAA largeAAAFix
Aaon white
2.46:1failfailfail
  • AA: use #23865c as the text (4.53:1)
  • AAA: use #1a6546 as the text (7.01:1)
  • AA: or shift the background to #3b3b3b (4.56:1)
  • AAA: or shift the background to #1a1a1a (7.09:1)
Aaon black
8.55:1passpasspassPasses 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 #30bb81 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #30bb81
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 #30bb81 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30bb81-a2beb6-d459c8-1f2d2d-e9f1ea?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