Color

#28a436

#28a436
hex#28a436
rgbrgb(40, 164, 54)
hslhsl(127, 61%, 40%)
oklchoklch(0.63 0.183 144.5)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2727

Colors that go with #28a436

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 →

#a42896

#57a428 · #28a475

#3628a4 · #a43628

Split-complementary

Open in tool →

#7528a4 · #a42857

#2857a4 · #a42896 · #a47528

Contrast

#28a436 as textRatioAAAA largeAAAFix
Aaon white
3.25:1failpassfail
  • AA: use #21872d as the text (4.6:1)
  • AAA: use #186321 as the text (7.38:1)
  • AA: or shift the background to #262626 (4.65:1)
Aaon black
6.45:1passpassfail
  • AAA: use #2aac39 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28a436 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #28a436
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 #28a436 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a436-a2bea8-aa4edf-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