Color

#28eb9a

#28eb9a
hex#28eb9a
rgbrgb(40, 235, 154)
hslhsl(155, 83%, 54%)
oklchoklch(0.832 0.185 158.7)
Closest name: Grotesque Green (#64e986)Relative luminance 0.622

Colors that go with #28eb9a

Taupe, Violet and Charcoal 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 →

#eb2879

#28eb39 · #28dbeb

#9a28eb · #eb9a28

Split-complementary

Open in tool →

#eb28db · #eb3928

#3928eb · #eb2879 · #dbeb28

Contrast

#28eb9a as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #0d8754 as the text (4.55:1)
  • AAA: use #09623d as the text (7.43:1)
  • AA: or shift the background to #575757 (4.62:1)
  • AAA: or shift the background to #3b3b3b (7.17:1)
Aaon black
13.44:1passpasspassPasses 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 #28eb9a as the background.

Brands using this color

mcpConnect your agent — build around #28eb9a
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 #28eb9a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28eb9a-a2beb6-d459c8-1f2d2d-e9f1ea?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