Color

#99cd56

#99cd56
hex#99cd56
rgbrgb(153, 205, 86)
hslhsl(86, 54%, 57%)
oklchoklch(0.787 0.159 129.3)
Closest name: Aromatic Herbs (#98c945)Relative luminance 0.5111

Colors that go with #99cd56

Plum, Charcoal and Deep Sky 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 →

#8956cd

#cdc556 · #5ecd56

#5699cd · #cd5699

Split-complementary

Open in tool →

#565ecd · #c556cd

#56cdc5 · #8956cd · #cd565e

Contrast

#99cd56 as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #5a8227 as the text (4.51:1)
  • AAA: use #425e1c as the text (7.37:1)
  • AA: or shift the background to #4d4d4d (4.52:1)
  • AAA: or shift the background to #303030 (7.05:1)
Aaon black
11.22:1passpasspassPasses 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 #99cd56 as the background.

Brands using this color

mcpConnect your agent — build around #99cd56
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 #99cd56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99cd56-afbea2-4e56df-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