Color

#0bb121

#0bb121
hex#0bb121
rgbrgb(11, 177, 33)
hslhsl(128, 88%, 37%)
oklchoklch(0.661 0.215 143.5)
Closest name: Always Greener Grass (#11aa00)Relative luminance 0.3163

Colors that go with #0bb121

Royal Blue, Taupe and Fuchsia 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 →

#b10b9b

#48b10b · #0bb174

#210bb1 · #b1210b

Split-complementary

Open in tool →

#740bb1 · #b10b48

#0b48b1 · #b10b9b · #b1740b

Contrast

#0bb121 as textRatioAAAA largeAAAFix
Aaon white
2.87:1failfailfail
  • AA: use #098619 as the text (4.73:1)
  • AAA: use #066513 as the text (7.3:1)
  • AA: or shift the background to #303030 (4.6:1)
  • AAA: or shift the background to #050505 (7.11:1)
Aaon black
7.33:1passpasspassPasses 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 #0bb121 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 #0bb121
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 #0bb121 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0bb121-a2bea9-ac4edf-1f2d27-ecf1e9?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