Color

#9bd651

#9bd651
hex#9bd651
rgbrgb(155, 214, 81)
hslhsl(87, 62%, 58%)
oklchoklch(0.809 0.174 129.9)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5566

Colors that go with #9bd651

Charcoal, Deep Sky Blue 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 →

#8d51d6

#d6d051 · #58d651

#519bd6 · #d6519b

Split-complementary

Open in tool →

#5158d6 · #d051d6

#51d6d0 · #8d51d6 · #d65158

Contrast

#9bd651 as textRatioAAAA largeAAAFix
Aaon white
1.73:1failfailfail
  • AA: use #54801e as the text (4.68:1)
  • AAA: use #3e5f16 as the text (7.36:1)
  • AA: or shift the background to #525252 (4.51:1)
  • AAA: or shift the background to #333333 (7.3:1)
Aaon black
12.13:1passpasspassPasses 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 #9bd651 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 #9bd651
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 #9bd651 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/9bd651-aebea2-4e53df-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