Color

#28bd9d

#28bd9d
hex#28bd9d
rgbrgb(40, 189, 157)
hslhsl(167, 65%, 45%)
oklchoklch(0.716 0.128 173.8)
Closest name: Electra (#55b492)Relative luminance 0.3928

Colors that go with #28bd9d

Charcoal, Hot Pink and 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 →

#bd2848

#28bd52 · #2893bd

#9d28bd · #bd9d28

Split-complementary

Open in tool →

#bd2893 · #bd5228

#5228bd · #bd2848 · #93bd28

Contrast

#28bd9d as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #1c826c as the text (4.71:1)
  • AAA: use #156150 as the text (7.35:1)
  • AA: or shift the background to #3d3d3d (4.58:1)
  • AAA: or shift the background to #1c1c1c (7.19:1)
Aaon black
8.86:1passpasspassPasses 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 #28bd9d as the background.

Brands using this color

mcpConnect your agent — build around #28bd9d
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 #28bd9d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28bd9d-a2bebb-d459af-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