Color

#30d5cc

#30d5cc
hex#30d5cc
rgbrgb(48, 213, 204)
hslhsl(177, 66%, 51%)
oklchoklch(0.792 0.128 189.2)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5258

Colors that go with #30d5cc

Charcoal, Deep Sky Blue and Dodger 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 →

#d53038

#30d57a · #308ad5

#cc30d5 · #d5cc30

Split-complementary

Open in tool →

#d5308a · #d57a30

#7a30d5 · #d53038 · #8ad530

Contrast

#30d5cc as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #1b837e as the text (4.57:1)
  • AAA: use #14615d as the text (7.25:1)
  • AA: or shift the background to #4d4d4d (4.64:1)
  • AAA: or shift the background to #303030 (7.24:1)
Aaon black
11.52:1passpasspassPasses 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 #30d5cc 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 #30d5cc
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 #30d5cc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/30d5cc-a2bcbe-d4599b-1f282d-e9f1ed?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