Color

#99dd64

#99dd64
hex#99dd64
rgbrgb(153, 221, 100)
hslhsl(94, 64%, 63%)
oklchoklch(0.826 0.169 133.3)
Closest name: Last of Lettuce (#aadd66)Relative luminance 0.5941

Colors that go with #99dd64

Deep Sky Blue, 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 →

#a964dd

#d5dd64 · #64dd6c

#6499dd · #dd6499

Split-complementary

Open in tool →

#6c64dd · #dd64d5

#64d5dd · #a964dd · #dd6c64

Contrast

#99dd64 as textRatioAAAA largeAAAFix
Aaon white
1.63:1failfailfail
  • AA: use #48821c as the text (4.68:1)
  • AAA: use #366015 as the text (7.39:1)
  • AA: or shift the background to #545454 (4.64:1)
  • AAA: or shift the background to #383838 (7.19:1)
Aaon black
12.88:1passpasspassPasses 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 #99dd64 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 #99dd64
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 #99dd64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99dd64-abbea2-5a4edf-1f2d1f-f0f1e9?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