Color

#28a210

#28a210
hex#28a210
rgbrgb(40, 162, 16)
hslhsl(110, 82%, 35%)
oklchoklch(0.622 0.2 141.3)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2633

Colors that go with #28a210

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 →

#8a10a2

#72a210 · #10a241

#1028a2 · #a21028

Split-complementary

Open in tool →

#4110a2 · #a21072

#1072a2 · #8a10a2 · #a24110

Contrast

#28a210 as textRatioAAAA largeAAAFix
Aaon white
3.35:1failpassfail
  • AA: use #22870d as the text (4.63:1)
  • AAA: use #19660a as the text (7.13:1)
  • AA: or shift the background to #262626 (4.52:1)
Aaon black
6.27:1passpassfail
  • AAA: use #2bac11 as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28a210 as the background.

Brands using this color

mcpConnect your agent — build around #28a210
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 #28a210 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a210-a3bea2-814edf-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