Color

#90cd2d

#90cd2d
hex#90cd2d
rgbrgb(144, 205, 45)
hslhsl(83, 64%, 49%)
oklchoklch(0.778 0.191 129)
Closest name: yellowgreen (#9acd32)Relative luminance 0.4978

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6a2dcd

#cdba2d · #40cd2d

#2d90cd · #cd2d90

Split-complementary

Open in tool →

#2d40cd · #ba2dcd

#2dcdba · #6a2dcd · #cd2d40

Contrast

#90cd2d as textRatioAAAA largeAAAFix
Aaon white
1.92:1failfailfail
  • AA: use #5b821c as the text (4.51:1)
  • AAA: use #436015 as the text (7.19:1)
  • AA: or shift the background to #4a4a4a (4.62:1)
  • AAA: or shift the background to #2e2e2e (7.08:1)
Aaon black
10.96:1passpasspassPasses 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 #90cd2d 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 #90cd2d
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 #90cd2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/90cd2d-b0bea2-4e5ddf-222d1f-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