Color

#428e10

#428e10
hex#428e10
rgbrgb(66, 142, 16)
hslhsl(96, 80%, 31%)
oklchoklch(0.575 0.168 137)
Closest name: Forest Green (#228b22)Relative luminance 0.2054

Colors that go with #428e10

Crimson, Royal Blue and Charcoal 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 →

#5c108e

#828e10 · #108e1c

#10428e · #8e1042

Split-complementary

Open in tool →

#1c108e · #8e1082

#10828e · #5c108e · #8e1c10

Contrast

#428e10 as textRatioAAAA largeAAAFix
Aaon white
4.11:1failpassfail
  • AA: use #3e850f as the text (4.6:1)
  • AAA: use #2f650b as the text (7.03:1)
  • AA: or shift the background to #121212 (4.56:1)
Aaon black
5.11:1passpassfail
  • AAA: use #4faa13 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #428e10 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 #428e10
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 #428e10 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/428e10-aabea2-5f4edf-1f2d20-f0f1e9?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