Color

#28a512

#28a512
hex#28a512
rgbrgb(40, 165, 18)
hslhsl(111, 80%, 36%)
oklchoklch(0.631 0.203 141.4)
Closest name: Hedged Garden (#00aa11)Relative luminance 0.2741

Colors that go with #28a512

Blue, Dodger Blue and Taupe 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 →

#8f12a5

#72a512 · #12a546

#1228a5 · #a51228

Split-complementary

Open in tool →

#4612a5 · #a51272

#1272a5 · #8f12a5 · #a54612

Contrast

#28a512 as textRatioAAAA largeAAAFix
Aaon white
3.24:1failpassfail
  • AA: use #21850f as the text (4.74:1)
  • AAA: use #19650b as the text (7.22:1)
  • AA: or shift the background to #262626 (4.67:1)
Aaon black
6.48:1passpassfail
  • AAA: use #2bae13 as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28a512 as the background.

Brands using this color

mcpConnect your agent — build around #28a512
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 #28a512 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a512-a3bea2-834edf-1f2d23-eef1e9?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