Color

#30b587

#30b587
hex#30b587
rgbrgb(48, 181, 135)
hslhsl(159, 58%, 45%)
oklchoklch(0.691 0.132 164.9)
Closest name: mediumseagreen (#3cb371)Relative luminance 0.3543

Colors that go with #30b587

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.

Real palettes that use #30b587

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#b5305f

#30b544 · #30a1b5

#8730b5 · #b58730

Split-complementary

Open in tool →

#b530a1 · #b54430

#4430b5 · #b5305f · #a1b530

Contrast

#30b587 as textRatioAAAA largeAAAFix
Aaon white
2.6:1failfailfail
  • AA: use #238563 as the text (4.56:1)
  • AAA: use #1a6148 as the text (7.38:1)
  • AA: or shift the background to #383838 (4.51:1)
  • AAA: or shift the background to #141414 (7.09:1)
Aaon black
8.09:1passpasspassPasses 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 #30b587 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #30b587
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 #30b587 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30b587-a2beb8-d459c0-1f2c2d-e9f1eb?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