Color

#30cf75

#30cf75
hex#30cf75
rgbrgb(48, 207, 117)
hslhsl(146, 62%, 50%)
oklchoklch(0.755 0.181 152.8)
Closest name: Emerald Green (#50c878)Relative luminance 0.4654

Colors that go with #30cf75

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 →

#cf308a

#3bcf30 · #30cfc4

#7530cf · #cf7530

Split-complementary

Open in tool →

#c430cf · #cf303b

#303bcf · #cf308a · #cfc430

Contrast

#30cf75 as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #1f844b as the text (4.71:1)
  • AAA: use #176338 as the text (7.3:1)
  • AA: or shift the background to #474747 (4.56:1)
  • AAA: or shift the background to #292929 (7.14:1)
Aaon black
10.31:1passpasspassPasses 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 #30cf75 as the background.

Brands using this color

mcpConnect your agent — build around #30cf75
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 #30cf75 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30cf75-a2beb1-ce59d4-1f2d2b-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