Color

#28afa6

#28afa6
hex#28afa6
rgbrgb(40, 175, 166)
hslhsl(176, 63%, 42%)
oklchoklch(0.684 0.11 188)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3386

Colors that go with #28afa6

Charcoal, Denim 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 #28afa6

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af2831

#28af62 · #2874af

#a628af · #afa628

Split-complementary

Open in tool →

#af2874 · #af6228

#6228af · #af2831 · #74af28

Contrast

#28afa6 as textRatioAAAA largeAAAFix
Aaon white
2.7:1failfailfail
  • AA: use #1d817a as the text (4.69:1)
  • AAA: use #16605b as the text (7.35:1)
  • AA: or shift the background to #333333 (4.68:1)
  • AAA: or shift the background to #0f0f0f (7.09:1)
Aaon black
7.77:1passpasspassPasses 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 #28afa6 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 #28afa6
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 #28afa6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28afa6-a2bdbe-d4599d-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