Color

#28a003

#28a003
hex#28a003
rgbrgb(40, 160, 3)
hslhsl(106, 96%, 32%)
oklchoklch(0.616 0.201 140.8)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.256

Colors that go with #28a003

Royal Blue, Taupe and Medium Orchid 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 →

#7b03a0

#76a003 · #03a02d

#0328a0 · #a00328

Split-complementary

Open in tool →

#2d03a0 · #a00376

#0376a0 · #7b03a0 · #a02d03

Contrast

#28a003 as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #228703 as the text (4.63:1)
  • AAA: use #196402 as the text (7.33:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.12:1passpassfail
  • AAA: use #2caf04 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28a003 as the background.

Brands using this color

mcpConnect your agent — build around #28a003
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 #28a003 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28a003-a5bea2-774edf-1f2d22-eff1e9?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