Color

#259d5b

#259d5b
hex#259d5b
rgbrgb(37, 157, 91)
hslhsl(147, 62%, 38%)
oklchoklch(0.616 0.143 153.8)
Closest name: Eucalyptus (#329760)Relative luminance 0.2526

Colors that go with #259d5b

Charcoal, Blue and Crimson 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 →

#9d2567

#2b9d25 · #259d97

#5b259d · #9d5b25

Split-complementary

Open in tool →

#97259d · #9d252b

#252b9d · #9d2567 · #9d9725

Contrast

#259d5b as textRatioAAAA largeAAAFix
Aaon white
3.47:1failpassfail
  • AA: use #1f844d as the text (4.7:1)
  • AAA: use #176339 as the text (7.29:1)
  • AA: or shift the background to #212121 (4.64:1)
Aaon black
6.05:1passpassfail
  • AAA: use #29ae64 as the text (7.33:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #259d5b as the background.

Brands using this color

mcpConnect your agent — build around #259d5b
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 #259d5b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/259d5b-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