Color

#99b33d

#99b33d
hex#99b33d
rgbrgb(153, 179, 61)
hslhsl(73, 49%, 47%)
oklchoklch(0.724 0.146 120.8)
Closest name: Citrus (#9fb70a)Relative luminance 0.3935

Colors that go with #99b33d

Charcoal, Blue and Champagne 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 →

#573db3

#b3913d · #5eb33d

#3d99b3 · #b33d99

Split-complementary

Open in tool →

#3d5eb3 · #913db3

#3db391 · #573db3 · #b33d5e

Contrast

#99b33d as textRatioAAAA largeAAAFix
Aaon white
2.37:1failfailfail
  • AA: use #6c7d2b as the text (4.56:1)
  • AAA: use #4e5b1f as the text (7.39:1)
  • 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 #99b33d 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 #99b33d
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 #99b33d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99b33d-b5bea2-4e75df-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