Color

#0bb781

#0bb781
hex#0bb781
rgbrgb(11, 183, 129)
hslhsl(161, 89%, 38%)
oklchoklch(0.69 0.147 163.2)
Closest name: Fennel Fiesta (#00bb77)Relative luminance 0.3552

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b70b41

#0bb72a · #0b98b7

#810bb7 · #b7810b

Split-complementary

Open in tool →

#b70b98 · #b72a0b

#2a0bb7 · #b70b41 · #98b70b

Contrast

#0bb781 as textRatioAAAA largeAAAFix
Aaon white
2.59:1failfailfail
  • AA: use #08875f as the text (4.52:1)
  • AAA: use #066547 as the text (7.09:1)
  • AA: or shift the background to #383838 (4.53:1)
  • AAA: or shift the background to #141414 (7.11:1)
Aaon black
8.1:1passpasspassPasses 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 #0bb781 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #0bb781
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 #0bb781 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bb781-a2beb8-d459bb-1f2c2d-e9f1eb?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