Color

#28b869

#28b869
hex#28b869
rgbrgb(40, 184, 105)
hslhsl(147, 64%, 44%)
oklchoklch(0.691 0.165 153.4)
Closest name: Green Mana (#26b467)Relative luminance 0.3575

Colors that go with #28b869

Charcoal, Mustard Yellow and Royal 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 →

#b82877

#30b828 · #28b8b1

#6928b8 · #b86928

Split-complementary

Open in tool →

#b128b8 · #b82830

#2830b8 · #b82877 · #b8b128

Contrast

#28b869 as textRatioAAAA largeAAAFix
Aaon white
2.58:1failfailfail
  • AA: use #1d864c as the text (4.6:1)
  • AAA: use #166439 as the text (7.2:1)
  • AA: or shift the background to #383838 (4.55:1)
  • AAA: or shift the background to #141414 (7.15:1)
Aaon black
8.15:1passpasspassPasses 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 #28b869 as the background.

Brands using this color

mcpConnect your agent — build around #28b869
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 #28b869 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28b869-a2beb2-d059d4-1f2d2c-eaf1e9?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