Color

#28cc7d

#28cc7d
hex#28cc7d
rgbrgb(40, 204, 125)
hslhsl(151, 67%, 48%)
oklchoklch(0.747 0.172 155.9)
Closest name: Emerald Green (#50c878)Relative luminance 0.4512

Colors that go with #28cc7d

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 →

#cc2878

#28cc2b · #28cacc

#7d28cc · #cc7d28

Split-complementary

Open in tool →

#cc28ca · #cc2b28

#2b28cc · #cc2878 · #cacc28

Contrast

#28cc7d as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #1a8451 as the text (4.71:1)
  • AAA: use #13623c as the text (7.39:1)
  • AA: or shift the background to #454545 (4.58:1)
  • AAA: or shift the background to #262626 (7.22:1)
Aaon black
10.02:1passpasspassPasses 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 #28cc7d as the background.

Brands using this color

mcpConnect your agent — build around #28cc7d
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 #28cc7d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28cc7d-a2beb4-d459d0-1f2d2c-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