Color

#bbe515

#bbe515
hex#bbe515
rgbrgb(187, 229, 21)
hslhsl(72, 83%, 49%)
oklchoklch(0.861 0.206 122.2)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.6666

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3f15e5

#e5a615 · #53e515

#15bbe5 · #e515bb

Split-complementary

Open in tool →

#1553e5 · #a615e5

#15e5a6 · #3f15e5 · #e51553

Contrast

#bbe515 as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #677e0c as the text (4.6:1)
  • AAA: use #4c5d09 as the text (7.3:1)
  • AA: or shift the background to #5c5c5c (4.56:1)
  • AAA: or shift the background to #404040 (7.08:1)
Aaon black
14.33:1passpasspassPasses 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 #bbe515 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 #bbe515
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 #bbe515 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bbe515-b5bea2-4e77df-242d1f-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