Color

#99e665

#99e665
hex#99e665
rgbrgb(153, 230, 101)
hslhsl(96, 72%, 65%)
oklchoklch(0.848 0.18 134.5)
Closest name: Herbivore (#88ee77)Relative luminance 0.6431

Colors that go with #99e665

Deep Sky Blue, Charcoal and Royal 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 →

#b365e6

#d9e665 · #65e672

#6599e6 · #e66599

Split-complementary

Open in tool →

#7265e6 · #e665d9

#65d9e6 · #b365e6 · #e67265

Contrast

#99e665 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #418415 as the text (4.63:1)
  • AAA: use #306010 as the text (7.48:1)
  • AA: or shift the background to #595959 (4.62:1)
  • AAA: or shift the background to #3d3d3d (7.17:1)
Aaon black
13.86:1passpasspassPasses 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 #99e665 as the background.

Brands using this color

mcpConnect your agent — build around #99e665
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 #99e665 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99e665-aabea2-5f4edf-1f2d20-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