Color

#99ef71

#99ef71
hex#99ef71
rgbrgb(153, 239, 113)
hslhsl(101, 80%, 69%)
oklchoklch(0.87 0.182 136.7)
Closest name: Herbivore (#88ee77)Relative luminance 0.697

Colors that go with #99ef71

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 →

#c771ef

#d8ef71 · #71ef88

#7199ef · #ef7199

Split-complementary

Open in tool →

#8871ef · #ef71d8

#71d8ef · #c771ef · #ef8871

Contrast

#99ef71 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #34850f as the text (4.66:1)
  • AAA: use #28650b as the text (7.1:1)
  • AA: or shift the background to #5e5e5e (4.61:1)
  • AAA: or shift the background to #424242 (7.15:1)
Aaon black
14.94:1passpasspassPasses 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 #99ef71 as the background.

Brands using this color

mcpConnect your agent — build around #99ef71
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 #99ef71 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99ef71-a7bea2-6b4edf-1f2d21-eff1e9?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