Color

#90b540

#90b540
hex#90b540
rgbrgb(144, 181, 64)
hslhsl(79, 48%, 48%)
oklchoklch(0.723 0.15 125)
Closest name: Citrus (#9fb70a)Relative luminance 0.3935

Colors that go with #90b540

Charcoal, Blue and Dodger 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.

Real palettes that use #90b540

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6540b5

#b5a040 · #55b540

#4090b5 · #b54090

Split-complementary

Open in tool →

#4055b5 · #a040b5

#40b5a0 · #6540b5 · #b54055

Contrast

#90b540 as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #637d2c as the text (4.67:1)
  • AAA: use #4b5e21 as the text (7.19:1)
  • AA: or shift the background to #3d3d3d (4.59:1)
  • AAA: or shift the background to #1c1c1c (7.2:1)
Aaon black
8.87:1passpasspassPasses 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 #90b540 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 #90b540
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 #90b540 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90b540-b2bea2-4e66df-232d1f-f1f0e9?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