Color

#b12b9a

#b12b9a
hex#b12b9a
rgbrgb(177, 43, 154)
hslhsl(310, 61%, 43%)
oklchoklch(0.539 0.204 336.1)
Closest name: Jealous Jellyfish (#bb0099)Relative luminance 0.1341

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2bb141

#842bb1 · #b12b57

#9ab12b · #2b9ab1

Split-complementary

Open in tool →

#57b12b · #2bb184

#b1842b · #2bb141 · #2b57b1

Contrast

#b12b9a as textRatioAAAA largeAAAFix
Aaon white
5.7:1passpassfail
  • AAA: use #982585 as the text (7.15:1)
Aaon black
3.68:1failpassfail
  • AA: use #c931b0 as the text (4.55:1)
  • AAA: use #dc6fca as the text (7.17:1)
  • AA: or shift the background to #e6e6e6 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #b12b9a as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#b12b9a reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b12b9a
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #b12b9a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b12b9a-c19fb7-83cb62-2d1f25-efe9f1?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