Color

#90b422

#90b422
hex#90b422
rgbrgb(144, 180, 34)
hslhsl(75, 68%, 42%)
oklchoklch(0.718 0.167 123.4)
Closest name: Citrus (#9fb70a)Relative luminance 0.3869

Colors that go with #90b422

Blue, Charcoal 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 #90b422

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4722b4

#b49022 · #47b422

#2290b4 · #b42290

Split-complementary

Open in tool →

#2247b4 · #9022b4

#22b490 · #4722b4 · #b42247

Contrast

#90b422 as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #637c18 as the text (4.74:1)
  • AAA: use #4b5e12 as the text (7.22:1)
  • AA: or shift the background to #3d3d3d (4.52:1)
  • AAA: or shift the background to #1c1c1c (7.09:1)
Aaon black
8.74:1passpasspassPasses 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 #90b422 as the background.

Brands using this color

mcpConnect your agent — build around #90b422
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 #90b422 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90b422-b4bea2-4e70df-242d1f-f1efe9?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