Color

#28805e

#28805e
hex#28805e
rgbrgb(40, 128, 94)
hslhsl(157, 52%, 33%)
oklchoklch(0.539 0.099 163.5)
Closest name: Amazon (#387b54)Relative luminance 0.167

Colors that go with #28805e

Charcoal, Crimson and Medium Violet Red 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 →

#80284a

#288033 · #287680

#5e2880 · #805e28

Split-complementary

Open in tool →

#802876 · #803328

#332880 · #80284a · #768028

Contrast

#28805e as textRatioAAAA largeAAAFix
Aaon white
4.84:1passpassfail
  • AAA: use #1f6147 as the text (7.34:1)
Aaon black
4.34:1failpassfail
  • AA: use #2a8461 as the text (4.57:1)
  • AAA: use #36ab7e as the text (7.28:1)
  • AA: or shift the background to #f7f7f7 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28805e as the background.

Brands using this color

mcpConnect your agent — build around #28805e
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 #28805e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28805e-a2beb7-d459c4-1f2c2d-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