Color

#28a92a

#28a92a
hex#28a92a
rgbrgb(40, 169, 42)
hslhsl(121, 62%, 41%)
oklchoklch(0.643 0.197 143)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.2899

Colors that go with #28a92a

Blue, Dodger Blue and Royal Blue 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 →

#a928a7

#66a928 · #28a96b

#2a28a9 · #a92a28

Split-complementary

Open in tool →

#6b28a9 · #a92866

#2866a9 · #a928a7 · #a96b28

Contrast

#28a92a as textRatioAAAA largeAAAFix
Aaon white
3.09:1failpassfail
  • AA: use #208822 as the text (4.56:1)
  • AAA: use #18671a as the text (7.01:1)
  • AA: or shift the background to #2b2b2b (4.58:1)
Aaon black
6.8:1passpassfail
  • AAA: use #29ae2b as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28a92a as the background.

Brands using this color

mcpConnect your agent — build around #28a92a
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 #28a92a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a92a-a2bea6-9b4edf-1f2d26-edf1e9?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