Color

#99ca53

#99ca53
hex#99ca53
rgbrgb(153, 202, 83)
hslhsl(85, 53%, 56%)
oklchoklch(0.78 0.158 128.4)
Closest name: Aromatic Herbs (#98c945)Relative luminance 0.4964

Colors that go with #99ca53

Charcoal, Plum and Blue 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 →

#8553ca

#cac053 · #5dca53

#5399ca · #ca5399

Split-complementary

Open in tool →

#535dca · #c053ca

#53cac0 · #8553ca · #ca535d

Contrast

#99ca53 as textRatioAAAA largeAAAFix
Aaon white
1.92:1failfailfail
  • AA: use #5c8128 as the text (4.54:1)
  • AAA: use #435e1d as the text (7.35:1)
  • AA: or shift the background to #4a4a4a (4.61:1)
  • AAA: or shift the background to #2e2e2e (7.07:1)
Aaon black
10.93:1passpasspassPasses 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 #99ca53 as the background.

Brands using this color

mcpConnect your agent — build around #99ca53
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 #99ca53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/99ca53-afbea2-4e58df-212d1f-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