Color

#28b003

#28b003
hex#28b003
rgbrgb(40, 176, 3)
hslhsl(107, 97%, 35%)
oklchoklch(0.66 0.217 141.1)
Closest name: Always Greener Grass (#11aa00)Relative luminance 0.3151

Colors that go with #28b003

Blue, Taupe and Fuchsia 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 →

#8a03b0

#7fb003 · #03b034

#0328b0 · #b00328

Split-complementary

Open in tool →

#3403b0 · #b0037f

#037fb0 · #8a03b0 · #b03403

Contrast

#28b003 as textRatioAAAA largeAAAFix
Aaon white
2.88:1failfailfail
  • AA: use #1f8802 as the text (4.58:1)
  • AAA: use #176402 as the text (7.34:1)
  • AA: or shift the background to #303030 (4.59:1)
  • AAA: or shift the background to #050505 (7.09:1)
Aaon black
7.3:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #28b003 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #28b003
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 #28b003 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/28b003-a5bea2-7a4edf-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