Color

#1b834f

#1b834f
hex#1b834f
rgbrgb(27, 131, 79)
hslhsl(150, 66%, 31%)
oklchoklch(0.54 0.122 155.7)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1703

Tints & shades

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

Harmonies

Complementary

Open in tool →

#831b4f

#1b831b · #1b8383

#4f1b83 · #834f1b

Split-complementary

Open in tool →

#831b83 · #831b1b

#1b1b83 · #831b4f · #83831b

Contrast

#1b834f as textRatioAAAA largeAAAFix
Aaon white
4.77:1passpassfail
Aaon black
4.41:1failpassfail
  • AA: use #1c8752 as the text (4.64:1)
  • AAA: use #24ae69 as the text (7.33:1)
  • AA: or shift the background to #fafafa (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b834f as the background.

Brands using this color

mcpConnect your agent — build around #1b834f
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 #1b834f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b834f-a2beb3-d459d2-1f2d2c-e9f1ea?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