Color

#28ccbc

#28ccbc
hex#28ccbc
rgbrgb(40, 204, 188)
hslhsl(174, 67%, 48%)
oklchoklch(0.763 0.128 184.6)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4727

Tints & shades

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

Harmonies

Complementary

Open in tool →

#cc2839

#28cc6a · #288bcc

#bc28cc · #ccbc28

Split-complementary

Open in tool →

#cc288b · #cc6a28

#6a28cc · #cc2839 · #8bcc28

Contrast

#28ccbc as textRatioAAAA largeAAAFix
Aaon white
2.01:1failfailfail
  • AA: use #1a8479 as the text (4.54:1)
  • AAA: use #13625a as the text (7.19:1)
  • AA: or shift the background to #474747 (4.63:1)
  • AAA: or shift the background to #2b2b2b (7.05:1)
Aaon black
10.45:1passpasspassPasses 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 #28ccbc 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 #28ccbc
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #28ccbc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28ccbc-a2bebe-d459a1-1f292d-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