# #c3d331

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#c3d331`
- RGB: rgb(195, 211, 49)
- HSL: hsl(66, 65%, 51%)
- OKLCH: oklch(0.828 0.174 115.4)
- Relative luminance: 0.5841
- Nearest named color: Badass Grass (#b4da55, Δ 2.687) — https://brandsweets.com/colors/badass-grass
- Moods: vivid
- Page: https://brandsweets.com/colors/c3d331

## Tints & shades

- Tints (toward white): #c9d846, #cedb57, #d4e06c, #dae481, #e0e996, #e5eca7, #ebf1bc, #f2f5d1, #f6f9e2, #fdfdf7
- Shades (toward black): #b2c229, #a3b125, #8f9c21, #7c871d, #6d7619, #596115, #464c10, #32370c, #232608, #101104

## Harmonies

- Complementary: #4131d3
- Analogous: #d39231, #72d331
- Triadic: #31c3d3, #d331c3
- Split-complementary: #3172d3, #9231d3
- Tetradic: #31d392, #4131d3, #d33172

## Colors that go with #c3d331

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #c3d331: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Disney (https://brandsweets.com/colors/brands/disney-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #c3d331: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #c3d331 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Blue** #0000ff [pool] — 4 real palettes, including Binance's brand system and Bumble's brand system put Blue beside #c3d331, as the accent. Seen in: Binance (https://brandsweets.com/colors/brands/binance-com), Bumble (https://brandsweets.com/colors/brands/bumble-com), Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #c3d331 in 7 real palettes, including Wise's brand system and Tabloid, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Lay's (https://brandsweets.com/colors/brands/lays-com), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #c3d331: 8 real palettes, including Wikipedia's brand system and LEGO's brand system, as the supporting colour. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), LEGO (https://brandsweets.com/colors/brands/lego-com), Ikea (https://brandsweets.com/colors/brands/ikea-com), Walmart (https://brandsweets.com/colors/brands/walmart-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #c3d331: 4 real palettes, including Miro's brand system and Star Wars's brand system, as the accent. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com), Google (https://brandsweets.com/colors/brands/google-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 4 real palettes, including FIFA's brand system and Southwest Airlines's brand system put Midnight Blue beside #c3d331, as the lead colour. Seen in: FIFA (https://brandsweets.com/colors/brands/fifa-com), Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), American Eagle (https://brandsweets.com/colors/brands/ae-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #707a1a (4.68:1); AA: background → #545454 (4.57:1); AAA: text → #555d14 (7.09:1); AAA: background → #383838 (7.08:1)
- On black (#000000): 12.68:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/c3d331-b8bea2-4e86df-262d1f-f1eee9?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#c3d331" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.