Color

#bcc511

#bcc511
hex#bcc511
rgbrgb(188, 197, 17)
hslhsl(63, 84%, 42%)
oklchoklch(0.79 0.173 113.1)
Closest name: Celery (#b4c04c)Relative luminance 0.5066

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1a11c5

#c57411 · #62c511

#11bcc5 · #c511bc

Split-complementary

Open in tool →

#1162c5 · #7411c5

#11c574 · #1a11c5 · #c51162

Contrast

#bcc511 as textRatioAAAA largeAAAFix
Aaon white
1.89:1failfailfail
  • AA: use #747a0b as the text (4.63:1)
  • AAA: use #555908 as the text (7.45:1)
  • AA: or shift the background to #4a4a4a (4.7:1)
  • AAA: or shift the background to #2e2e2e (7.2:1)
Aaon black
11.13:1passpasspassPasses 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 #bcc511 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 #bcc511
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 #bcc511 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/bcc511-b9bea2-4e8ddf-262d1f-f1eee9?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