Color

#1d9151

#1d9151
hex#1d9151
rgbrgb(29, 145, 81)
hslhsl(147, 67%, 34%)
oklchoklch(0.58 0.139 153.2)
Closest name: seagreen (#2e8b57)Relative luminance 0.2111

Colors that go with #1d9151

Charcoal, Crimson and Royal Blue 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 →

#911d5d

#22911d · #1d918b

#511d91 · #91511d

Split-complementary

Open in tool →

#8b1d91 · #911d22

#1d2291 · #911d5d · #918b1d

Contrast

#1d9151 as textRatioAAAA largeAAAFix
Aaon white
4.02:1failpassfail
  • AA: use #1a844a as the text (4.73:1)
  • AAA: use #146639 as the text (7.02:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.22:1passpassfail
  • AAA: use #23af62 as the text (7.38:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d9151 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 #1d9151
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 #1d9151 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d9151-a2beb2-d059d4-1f2d2c-eaf1e9?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