Color

#90c889

#90c889
hex#90c889
rgbrgb(144, 200, 137)
hslhsl(113, 36%, 66%)
oklchoklch(0.778 0.105 141.8)
Closest name: Exhilarating Green (#81c784)Relative luminance 0.4904

Colors that go with #90c889

Charcoal, Plum and 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 →

#c089c8

#b0c889 · #89c8a1

#8990c8 · #c88990

Split-complementary

Open in tool →

#a189c8 · #c889b0

#89b0c8 · #c089c8 · #c8a189

Contrast

#90c889 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #46843e as the text (4.54:1)
  • AAA: use #34612e as the text (7.25:1)
  • AA: or shift the background to #4a4a4a (4.56:1)
  • AAA: or shift the background to #2b2b2b (7.29:1)
Aaon black
10.81:1passpasspassPasses 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 #90c889 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 #90c889
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 #90c889 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90c889-a2bea2-884edf-1f2d24-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