Color

#28c8a8

#28c8a8
hex#28c8a8
rgbrgb(40, 200, 168)
hslhsl(168, 67%, 47%)
oklchoklch(0.747 0.133 174.9)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4459

Colors that go with #28c8a8

Charcoal, Hot Pink and Mustard Yellow 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 →

#c82848

#28c858 · #2898c8

#a828c8 · #c8a828

Split-complementary

Open in tool →

#c82898 · #c85828

#5828c8 · #c82848 · #98c828

Contrast

#28c8a8 as textRatioAAAA largeAAAFix
Aaon white
2.12:1failfailfail
  • AA: use #1a846f as the text (4.59:1)
  • AAA: use #136252 as the text (7.25:1)
  • AA: or shift the background to #454545 (4.53:1)
  • AAA: or shift the background to #262626 (7.15:1)
Aaon black
9.92:1passpasspassPasses 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 #28c8a8 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 #28c8a8
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 #28c8a8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28c8a8-a2bebc-d459ad-1f2a2d-e9f1ec?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