Color

#90a509

#90a509
hex#90a509
rgbrgb(144, 165, 9)
hslhsl(68, 90%, 34%)
oklchoklch(0.682 0.158 118.5)
Closest name: Augustus Asparagus (#90aa0b)Relative luminance 0.3286

Colors that go with #90a509

Medium Purple, Blue and Charcoal 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 →

#1d09a5

#a56c09 · #42a509

#0990a5 · #a50990

Split-complementary

Open in tool →

#0942a5 · #6c09a5

#09a56c · #1d09a5 · #a50942

Contrast

#90a509 as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #6e7e07 as the text (4.52:1)
  • AAA: use #505c05 as the text (7.31:1)
  • AA: or shift the background to #333333 (4.56:1)
  • AAA: or shift the background to #0d0d0d (7.01:1)
Aaon black
7.57:1passpasspassPasses 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 #90a509 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 #90a509
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 #90a509 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90a509-b7bea2-4e81df-252d1f-f1eee9?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