Color

#90b643

#90b643
hex#90b643
rgbrgb(144, 182, 67)
hslhsl(80, 46%, 49%)
oklchoklch(0.725 0.149 125.5)
Closest name: Citrus (#9fb70a)Relative luminance 0.3979

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#6a43b6

#b6a343 · #57b643

#4390b6 · #b64390

Split-complementary

Open in tool →

#4357b6 · #a343b6

#43b6a3 · #6a43b6 · #b64357

Contrast

#90b643 as textRatioAAAA largeAAAFix
Aaon white
2.34:1failfailfail
  • AA: use #647f2f as the text (4.55:1)
  • AAA: use #4a5d22 as the text (7.29:1)
  • AA: or shift the background to #3d3d3d (4.63:1)
  • AAA: or shift the background to #1f1f1f (7.03:1)
Aaon black
8.96:1passpasspassPasses 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 #90b643 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 #90b643
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #90b643 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90b643-b1bea2-4e64df-232d1f-f1f0e9?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