Color

#9fd01b

#9fd01b
hex#9fd01b
rgbrgb(159, 208, 27)
hslhsl(76, 77%, 46%)
oklchoklch(0.794 0.194 125.2)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5256

Colors that go with #9fd01b

Taupe, Plum and Dark Orange 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 →

#4b1bd0

#d0a51b · #45d01b

#1b9fd0 · #d01b9f

Split-complementary

Open in tool →

#1b45d0 · #a51bd0

#1bd0a5 · #4b1bd0 · #d01b45

Contrast

#9fd01b as textRatioAAAA largeAAAFix
Aaon white
1.82:1failfailfail
  • AA: use #617e10 as the text (4.67:1)
  • AAA: use #495f0c as the text (7.18:1)
  • AA: or shift the background to #4d4d4d (4.63:1)
  • AAA: or shift the background to #303030 (7.24:1)
Aaon black
11.51:1passpasspassPasses 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 #9fd01b 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 #9fd01b
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 #9fd01b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9fd01b-b3bea2-4e6edf-232d1f-f1efe9?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