Color

#28bd78

#28bd78
hex#28bd78
rgbrgb(40, 189, 120)
hslhsl(152, 65%, 45%)
oklchoklch(0.707 0.157 157.1)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.382

Colors that go with #28bd78

Charcoal, Blue and Cornflower 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 →

#bd286e

#28bd2d · #28b8bd

#7828bd · #bd7828

Split-complementary

Open in tool →

#bd28b8 · #bd2d28

#2d28bd · #bd286e · #b8bd28

Contrast

#28bd78 as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #1d8755 as the text (4.52:1)
  • AAA: use #156540 as the text (7.08:1)
  • AA: or shift the background to #3b3b3b (4.61:1)
  • AAA: or shift the background to #1c1c1c (7.01:1)
Aaon black
8.64:1passpasspassPasses 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 #28bd78 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 #28bd78
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 #28bd78 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28bd78-a2beb4-d459ce-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