Color

#9dd91c

#9dd91c
hex#9dd91c
rgbrgb(157, 217, 28)
hslhsl(79, 77%, 48%)
oklchoklch(0.814 0.205 127.4)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5688

Colors that go with #9dd91c

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 →

#581cd9

#d9b61c · #3fd91c

#1c9dd9 · #d91c9d

Split-complementary

Open in tool →

#1c3fd9 · #b61cd9

#1cd9b6 · #581cd9 · #d91c3f

Contrast

#9dd91c as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #5c7e10 as the text (4.72:1)
  • AAA: use #455f0c as the text (7.25:1)
  • AA: or shift the background to #525252 (4.6:1)
  • AAA: or shift the background to #363636 (7.12:1)
Aaon black
12.38:1passpasspassPasses 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 #9dd91c 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 #9dd91c
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 #9dd91c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9dd91c-b2bea2-4e66df-232d1f-f1f0e9?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