Color

#99dd4b

#99dd4b
hex#99dd4b
rgbrgb(153, 221, 75)
hslhsl(88, 68%, 58%)
oklchoklch(0.824 0.188 131)
Closest name: Conifer (#b1dd52)Relative luminance 0.5899

Colors that go with #99dd4b

Deep Sky Blue, Taupe and Violet 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 →

#8f4bdd

#ddd84b · #50dd4b

#4b99dd · #dd4b99

Split-complementary

Open in tool →

#4b50dd · #d84bdd

#4bddd8 · #8f4bdd · #dd4b50

Contrast

#99dd4b as textRatioAAAA largeAAAFix
Aaon white
1.64:1failfailfail
  • AA: use #508118 as the text (4.67:1)
  • AAA: use #3d6313 as the text (7.02:1)
  • AA: or shift the background to #545454 (4.62:1)
  • AAA: or shift the background to #383838 (7.15:1)
Aaon black
12.8:1passpasspassPasses 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 #99dd4b 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 #99dd4b
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 #99dd4b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99dd4b-aebea2-4e51df-212d1f-f1f1e9?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