Color

#28afaa

#28afaa
hex#28afaa
rgbrgb(40, 175, 170)
hslhsl(178, 63%, 42%)
oklchoklch(0.685 0.11 191.1)
Closest name: lightseagreen (#20b2aa)Relative luminance 0.3401

Colors that go with #28afaa

Charcoal, Midnight Blue 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.

Real palettes that use #28afaa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af282c

#28af67 · #2870af

#aa28af · #afaa28

Split-complementary

Open in tool →

#af2870 · #af6728

#6728af · #af282c · #70af28

Contrast

#28afaa as textRatioAAAA largeAAAFix
Aaon white
2.69:1failfailfail
  • AA: use #1d817e as the text (4.67:1)
  • AAA: use #16605d as the text (7.33:1)
  • AA: or shift the background to #333333 (4.69:1)
  • AAA: or shift the background to #0f0f0f (7.12:1)
Aaon black
7.8:1passpasspassPasses 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 #28afaa 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 #28afaa
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 #28afaa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28afaa-a2bcbe-d45999-1f282d-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