Color

#99ce12

#99ce12
hex#99ce12
rgbrgb(153, 206, 18)
hslhsl(77, 84%, 44%)
oklchoklch(0.785 0.197 126.2)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5096

Colors that go with #99ce12

Taupe, Plum 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 →

#4712ce

#cea612 · #3bce12

#1299ce · #ce1299

Split-complementary

Open in tool →

#123bce · #a612ce

#12cea6 · #4712ce · #ce123b

Contrast

#99ce12 as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #5e7f0b as the text (4.65:1)
  • AAA: use #465e08 as the text (7.33:1)
  • AA: or shift the background to #4d4d4d (4.51:1)
  • AAA: or shift the background to #303030 (7.03:1)
Aaon black
11.19:1passpasspassPasses 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 #99ce12 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 #99ce12
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 #99ce12 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99ce12-b3bea2-4e6bdf-232d1f-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