Color

#28cc6f

#28cc6f
hex#28cc6f
rgbrgb(40, 204, 111)
hslhsl(146, 67%, 48%)
oklchoklch(0.745 0.184 152.2)
Closest name: Emerald Green (#50c878)Relative luminance 0.4478

Colors that go with #28cc6f

Charcoal, Blue 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 →

#cc2885

#33cc28 · #28ccc1

#6f28cc · #cc6f28

Split-complementary

Open in tool →

#c128cc · #cc2833

#2833cc · #cc2885 · #ccc128

Contrast

#28cc6f as textRatioAAAA largeAAAFix
Aaon white
2.11:1failfailfail
  • AA: use #1a8448 as the text (4.73:1)
  • AAA: use #146638 as the text (7.03:1)
  • AA: or shift the background to #454545 (4.55:1)
  • AAA: or shift the background to #262626 (7.18:1)
Aaon black
9.96:1passpasspassPasses 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 #28cc6f as the background.

Brands using this color

mcpConnect your agent — build around #28cc6f
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 #28cc6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28cc6f-a2beb1-ce59d4-1f2d2b-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