Color

#28a447

#28a447
hex#28a447
rgbrgb(40, 164, 71)
hslhsl(135, 61%, 40%)
oklchoklch(0.632 0.17 147.3)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.2746

Colors that go with #28a447

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 →

#a42885

#47a428 · #28a485

#4728a4 · #a44728

Split-complementary

Open in tool →

#8528a4 · #a42847

#2847a4 · #a42885 · #a48528

Contrast

#28a447 as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #21873a as the text (4.57:1)
  • AAA: use #18632b as the text (7.35:1)
  • AA: or shift the background to #262626 (4.68:1)
Aaon black
6.49:1passpassfail
  • AAA: use #2aac4a as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28a447 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 #28a447
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 #28a447 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a447-a2beac-b759d4-1f2d29-ebf1e9?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