Color

#99bb02

#99bb02
hex#99bb02
rgbrgb(153, 187, 2)
hslhsl(71, 98%, 37%)
oklchoklch(0.74 0.179 121.8)
Closest name: Citrus (#9fb70a)Relative luminance 0.4232

Colors that go with #99bb02

Taupe, Plum and Cornflower 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 →

#2402bb

#bb8002 · #3cbb02

#0299bb · #bb0299

Split-complementary

Open in tool →

#023cbb · #8002bb

#02bb80 · #2402bb · #bb023c

Contrast

#99bb02 as textRatioAAAA largeAAAFix
Aaon white
2.22:1failfailfail
  • AA: use #677e01 as the text (4.6:1)
  • AAA: use #4a5b01 as the text (7.53:1)
  • AA: or shift the background to #424242 (4.53:1)
  • AAA: or shift the background to #212121 (7.26:1)
Aaon black
9.46:1passpasspassPasses 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 #99bb02 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 #99bb02
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 #99bb02 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99bb02-b6bea2-4e7adf-252d1f-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