Color

#89e378

#89e378
hex#89e378
rgbrgb(137, 227, 120)
hslhsl(110, 66%, 68%)
oklchoklch(0.835 0.167 140.5)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6161

Colors that go with #89e378

Plum, Charcoal and Deep Sky 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 →

#d178e3

#bfe378 · #78e39b

#7889e3 · #e37889

Split-complementary

Open in tool →

#9b78e3 · #e378bf

#78bfe3 · #d178e3 · #e39b78

Contrast

#89e378 as textRatioAAAA largeAAAFix
Aaon white
1.58:1failfailfail
  • AA: use #2e871c as the text (4.57:1)
  • AAA: use #226615 as the text (7.05:1)
  • AA: or shift the background to #575757 (4.58:1)
  • AAA: or shift the background to #3b3b3b (7.11:1)
Aaon black
13.32:1passpasspassPasses 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 #89e378 as the background.

Brands using this color

mcpConnect your agent — build around #89e378
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 #89e378 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/89e378-a3bea2-814edf-1f2d23-eef1e9?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